Garmin Forerunner 255 Smart Watch | 46mm | Slate Gray

010-02641-10
£ 299
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WISHLIST

Description

Check out the video:
Run at a Higher Level

You're making strides. Now, let's take the next step. Get the training and recovery insights you'll need to notch your best time yet.

  • Get an overview of your sleep, HRV status and daily workout with your morning report.
  • Charge less, train more with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
  • Push your limits with a built-in triathlon feature and 30+ activity profiles.
  • Plan your strategy with daily suggested workouts, course details and more on the race widget.
  • Utilise a full suite of advanced metrics and training tools to reach your goals.
  • Pay for your post-workout coffee with Garmin Pay contactless payments(1).
Ready for the Long Run

Get an uninterrupted picture of your daily health and nightly sleep with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Almost as Light as a Feather

With its sleek design and 49g weight, you'll almost forget you're wearing a Forerunner 255 running smartwatch — even when you're asleep.

Sweat Ready Materials

Featuring easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning Gorilla Glass 3.

Light on the Wrist: Not on Features
Morning Report

Receive an overview of your sleep, recovery and training outlook as soon as you wake up — alongside HRV status and weather. You can even customise your report to show you what you want to see.

HRV Status

Gain a deeper understanding of your overall health, recovery and training performance through heart rate variability while you sleep, based on technology developed by our Firstbeat Analytics team.

Built in Sports Apps

Tap into 30+ built-in activities, including the triathlon and open-water swimming profiles — new to the Forerunner 255 running watch series. For races and brick workouts, transition to the next activity with a single button press.

Daily Suggested Workouts

View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect smartphone app calendar.

Garmin Coach

Train for an event, achieve a milestone, or improve your fitness with Garmin  Coach training plans for runners. Just set it up in the Garmin  Connect app, then let Garmin Coach create personalised daily workouts to help you reach your goals — from your first 5K to a full marathon. This includes Garmin Run Coach, which creates plans that adapt based on your performance, recovery and health metrics.

Triathlon and Multisport Profiles

Switch between sports automatically by using built-in profiles for triathlons, duathlons, brick workouts and swimruns – so you can focus on the race and let your watch take care of recording splits. You can also create your own custom multisport profiles.

Wrist Based Running Dynamics

This smartwatch measures crucial running metrics such as cadence, stride length, ground contact time and more.

Wrist Based Running Power

See how much power you’re applying to the trail or the road so you can manage your effort and fine-tune your training. No accessory required.

Recovery Time

Know how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.

Pacepro Feature

To help you plan your race day strategy, this feature offers GPS-based pace guidance for a selected course or distance, so you can tailor your efforts to what's ahead.

Grade Adjusted Pace

Don’t run out of steam before the activity is over. After configuring your data fields in the running activity, understand how to adjust your pace over varying terrain to perform according to your plan.

Training Status

Using new indicators such as HRV status, your recent exercise history and performance, get an easy insight into your overall effort — and whether you're training productively, peaking or strained.

Acute Load

See your training history, and compare the intensity of your recent workouts to the optimal range to help improve your fitness.

Training Effect

See how your workouts influence your endurance, speed and power with aerobic and anaerobic training effect feedback.

Performance Condition

While you run, get an analysis of your pace and heart rate for a real-time assessment of your current ability to perform.

Courses

Create or find existing courses in the Garmin Connect app, so you'll never run out of places to run. Or plan one on other platforms such as Strava and Komoot, then automatically sync them to your Forerunner.

Track Running

Record accurate lap distances and see your distances in meters – even on a track you’ve never run before with a database with more than 10,000 tracks (400 metres) from all over the world.

Visual Race Predictor

Based on your running history and overall fitness level, get an estimate of what your pace could be for a 5K, 10K — or even a marathon. Plus, trend data highlights your training's impact over time.

Cross Training

Mix up your training with different types of workouts. Download free HIIT, strength, cardio, yoga and Pilates workouts to your watch, from the Garmin Connect app.

Targeted Adaptive Coaching

View your entire week of daily suggested cycling workouts directly on your smartwatch — which adapt to match your performance and the demands of upcoming events in your Garmin Connect smartphone app calendar.

A Depth of Wellness Insights
Wrist Based Heart Rate

The watch constantly samples your heart rate(2) with our latest-generation heart rate sensor and will alert you if it stays too high or too low while you're at rest. It also helps gauge how hard you work during activities — even while swimming.

Body Battery Energy Monitoring

See your energy levels throughout the day so you’ll know when your body is charged up and ready for activity or drained and needing to recharge with restful sleep. And get even more details and personal insights on how sleep, naps, daily activities and high stress specifically impact your energy(2).

Sleep Coach

Get personalised coaching for how much sleep you need and tips on how you can improve. Use this guidance to find the right balance between challenging activities and your body’s natural recovery process(2).

Nap Detection

Automatically track or log your naps to see how they benefit your body and to check the recommended time and duration they should be.

Pulse Ox Sensor

This wrist-based pulse ox sensor(3) monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.

Women's Health Tracking

Use the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise and nutrition education, and more. Even see and log details on your wrist with the Women's Health Tracking app.

Intensity Minutes

Our intensity minutes feature tells you when during the day you earned them and during what activity.

Stress Tracking

Find out if you're having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity when the watch detects that you're feeling stressed.

Health Snapshot Feature

Log a 2-minute session to record key stats, including heart rate2, heart rate variability, Pulse Ox3, respiration and stress. Then generate a report with those stats to share via the Garmin Connect app on your compatible smartphone.

Stay Connected at Every Step
Satiq Technology

Multi-band GNSS with SatIQ technology ensures the best positioning accuracy in any environment while also optimising the device’s battery life.

Garmin Pay Contactless Payments

Breeze through checkout lines with Garmin Pay contactless payments1 through participating providers.

Smart Notifications

Receive emails, texts and alerts right on your watch when paired with your Apple or Android smartphone. You can even respond to texts if you have an Android phone.

Safety and Tracking Features

If you feel unsafe or if your watch senses that an incident occurred, the Assistance and incident detection features4 send your location to emergency contacts. Incident detection is enabled by default for select activity profiles only.

Live Track Feature

Use LiveTrack to let friends and family follow your real-time location4 and even view your entire pre-planned course. Rest assured that your loved ones know exactly where you're running.

Garmin Connect App

See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more.

Connect IQ Store

Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store app downloaded on your compatible smartphone.

See Your Stats and Track Your Goals in the Garmin Connect App
Run with the best Follow us on the Garmin Running Instagram channel
What's in the Box
  • Forerunner 255
  • Charging/data cable
  • Documentation
Product Features:
  • Weather forecasts
  • Realtime settings sync with garmin connect mobile
  • Battery saver customizable low power watch
  • Controls smartphone music
  • Find my phone
  • Find my watch
  • Find my phone during GPS activity
  • Compatible with garmin messenger app
  • Gps time sync
  • Automatic daylight saving time

Specs

General

  • Brand Garmin
  • Product Type Smart Watch
  • Product Colour Slate Gray

Activity Tracker Features

  • Water Resistant 5 ATM
  • Heart Rate Monitor Wrist Based HRM
  • Sleep Tracker Yes
  • Tracking Functions Distance Travelled, Calories Burned, Blood Oxygen Level, Floors Climbed, All day stress tracking
  • Additional Features Swim - tracking, Alarm, Stopwatch Function, Clock, Audible Alerts, Time, Weather, Heart Rate Tracker, Calender, Find my phone, Find my watch, Customisable clock face, Female Health Tracking
  • Sensor Type Accelerometer, Pulse Ox Blood Oxygen Saturation Monitor, Gyroscope, GPS, Thermometer, GLONASS, Galileo, Garmin Elevate wrist heart rate monitor, Compass, Barometric altimeter
  • Operating System Compatibility Android, iPhone
  • Wireless Connectivity Bluetooth, ANT+
  • Choose Your Sport Running, Yoga, Swimming, Cycling, Indoor Rowing
  • GPS Yes
  • Music Controls/Playback Controls smartphone music
  • Smart Notifications Yes
  • Functionality Heart Rate, GPS Location Tracking, Sleep Monitoring, Step Counting
  • Watch Category Smartwatch

Connected Health

  • Health Gadget Type Heart Rate Tracker

Sports Watch Features

  • Heart Rate Monitor Yes
  • Memory 4 GB
  • Sports Watch Functions Speed, VO2 Max, Date, Auto Pause, Auto Lap, Foot Pod, Interval Training, Auto Goal
  • Additional Features Timer, Compatible with Vector, Internal Memory, Auto Scroll, Cadence
  • Case Shape Round
  • GPS Features GPS Tracking
  • Watch Type Sport Watch
  • Use While Activities, Elliptical training Hiking, Trainning

Display

  • Screen Type Sunlight-visible, transflective memory-in-pixel (MIP)
  • Screen Resolution 260 x 260 px
  • Touch Screen Yes
  • Screen Size (Display) 1.3"

Battery & Power

  • Battery Life Up to 14 days
  • Power Source Battery

Included Accessories

  • Accessories Charging/Data Cable

Dimensions

  • Width 45.6 mm
  • Depth 45.6 mm
  • Height 12.9 mm
  • Weight 0.049 kg

Delivery

We offer a comprehensive nationwide (excluding Republic of Ireland) delivery service; we aim to deliver all orders as quickly as possible.

Item Type Delivered In Delivered By
Small Items 2 Working days DPD
Large Electrical Appliance 3-5 Working days Independent transport company
Furniture & Bedding 3-5 Working days Independent transport company

Please note: if you have ordered furniture and bedding products that involve a lead time, are customised or made to measure, we will contact you to discuss delivery.

Free Click & Collect In Store

Can't wait for delivery or don't want to pay additional delivery charges? It's incredibly simple to collect your online order in store and get your hands on your product quickly and easily. Simply select the Click & Collect option and head to your nearest Harvey Norman store to collect your order.

  1. During checkout, select “Click & Collect” and select your preferred store.
  2. After your order is placed, you will receive an order acknowledgement email with your order number.
  3. Once the store has confirmed your order and reserved the stock, you will receive an email to inform you that your order is "Ready for collection". If you want to use "Contactless Click & Collect" select this option on this email.
  4. Bring your order number to the store you selected for Click & Collect, along with photo ID and the credit card you used to make the order.
  5. Speak to one of our staff and your order should be processed in minutes.
  6. If availing of Contactless Click & Collect, please click the link in your email "ready to pick up" to let the store know you are on your way. When you have parked in the designated parking bay, open your email, and choose the "I'm here" option and a member of staff will bring your purchase out to your car.

Easy returns

Store Purchases: For all items purchased from a physical store, please return to your local Harvey Norman Store. Please see Terms & Conditions here.

Online Purchases: For all items purchased via our Online Store (website), please fill out our Contact Form where our team can guide you through the process.

-->

Description

keyboard_arrow_down

Description

Check out the video:
Run at a Higher Level

You're making strides. Now, let's take the next step. Get the training and recovery insights you'll need to notch your best time yet.

  • Get an overview of your sleep, HRV status and daily workout with your morning report.
  • Charge less, train more with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
  • Push your limits with a built-in triathlon feature and 30+ activity profiles.
  • Plan your strategy with daily suggested workouts, course details and more on the race widget.
  • Utilise a full suite of advanced metrics and training tools to reach your goals.
  • Pay for your post-workout coffee with Garmin Pay contactless payments(1).
Ready for the Long Run

Get an uninterrupted picture of your daily health and nightly sleep with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Almost as Light as a Feather

With its sleek design and 49g weight, you'll almost forget you're wearing a Forerunner 255 running smartwatch — even when you're asleep.

Sweat Ready Materials

Featuring easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning Gorilla Glass 3.

Light on the Wrist: Not on Features
Morning Report

Receive an overview of your sleep, recovery and training outlook as soon as you wake up — alongside HRV status and weather. You can even customise your report to show you what you want to see.

HRV Status

Gain a deeper understanding of your overall health, recovery and training performance through heart rate variability while you sleep, based on technology developed by our Firstbeat Analytics team.

Built in Sports Apps

Tap into 30+ built-in activities, including the triathlon and open-water swimming profiles — new to the Forerunner 255 running watch series. For races and brick workouts, transition to the next activity with a single button press.

Daily Suggested Workouts

View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect smartphone app calendar.

Garmin Coach

Train for an event, achieve a milestone, or improve your fitness with Garmin  Coach training plans for runners. Just set it up in the Garmin  Connect app, then let Garmin Coach create personalised daily workouts to help you reach your goals — from your first 5K to a full marathon. This includes Garmin Run Coach, which creates plans that adapt based on your performance, recovery and health metrics.

Triathlon and Multisport Profiles

Switch between sports automatically by using built-in profiles for triathlons, duathlons, brick workouts and swimruns – so you can focus on the race and let your watch take care of recording splits. You can also create your own custom multisport profiles.

Wrist Based Running Dynamics

This smartwatch measures crucial running metrics such as cadence, stride length, ground contact time and more.

Wrist Based Running Power

See how much power you’re applying to the trail or the road so you can manage your effort and fine-tune your training. No accessory required.

Recovery Time

Know how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.

Pacepro Feature

To help you plan your race day strategy, this feature offers GPS-based pace guidance for a selected course or distance, so you can tailor your efforts to what's ahead.

Grade Adjusted Pace

Don’t run out of steam before the activity is over. After configuring your data fields in the running activity, understand how to adjust your pace over varying terrain to perform according to your plan.

Training Status

Using new indicators such as HRV status, your recent exercise history and performance, get an easy insight into your overall effort — and whether you're training productively, peaking or strained.

Acute Load

See your training history, and compare the intensity of your recent workouts to the optimal range to help improve your fitness.

Training Effect

See how your workouts influence your endurance, speed and power with aerobic and anaerobic training effect feedback.

Performance Condition

While you run, get an analysis of your pace and heart rate for a real-time assessment of your current ability to perform.

Courses

Create or find existing courses in the Garmin Connect app, so you'll never run out of places to run. Or plan one on other platforms such as Strava and Komoot, then automatically sync them to your Forerunner.

Track Running

Record accurate lap distances and see your distances in meters – even on a track you’ve never run before with a database with more than 10,000 tracks (400 metres) from all over the world.

Visual Race Predictor

Based on your running history and overall fitness level, get an estimate of what your pace could be for a 5K, 10K — or even a marathon. Plus, trend data highlights your training's impact over time.

Cross Training

Mix up your training with different types of workouts. Download free HIIT, strength, cardio, yoga and Pilates workouts to your watch, from the Garmin Connect app.

Targeted Adaptive Coaching

View your entire week of daily suggested cycling workouts directly on your smartwatch — which adapt to match your performance and the demands of upcoming events in your Garmin Connect smartphone app calendar.

A Depth of Wellness Insights
Wrist Based Heart Rate

The watch constantly samples your heart rate(2) with our latest-generation heart rate sensor and will alert you if it stays too high or too low while you're at rest. It also helps gauge how hard you work during activities — even while swimming.

Body Battery Energy Monitoring

See your energy levels throughout the day so you’ll know when your body is charged up and ready for activity or drained and needing to recharge with restful sleep. And get even more details and personal insights on how sleep, naps, daily activities and high stress specifically impact your energy(2).

Sleep Coach

Get personalised coaching for how much sleep you need and tips on how you can improve. Use this guidance to find the right balance between challenging activities and your body’s natural recovery process(2).

Nap Detection

Automatically track or log your naps to see how they benefit your body and to check the recommended time and duration they should be.

Pulse Ox Sensor

This wrist-based pulse ox sensor(3) monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.

Women's Health Tracking

Use the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise and nutrition education, and more. Even see and log details on your wrist with the Women's Health Tracking app.

Intensity Minutes

Our intensity minutes feature tells you when during the day you earned them and during what activity.

Stress Tracking

Find out if you're having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity when the watch detects that you're feeling stressed.

Health Snapshot Feature

Log a 2-minute session to record key stats, including heart rate2, heart rate variability, Pulse Ox3, respiration and stress. Then generate a report with those stats to share via the Garmin Connect app on your compatible smartphone.

Stay Connected at Every Step
Satiq Technology

Multi-band GNSS with SatIQ technology ensures the best positioning accuracy in any environment while also optimising the device’s battery life.

Garmin Pay Contactless Payments

Breeze through checkout lines with Garmin Pay contactless payments1 through participating providers.

Smart Notifications

Receive emails, texts and alerts right on your watch when paired with your Apple or Android smartphone. You can even respond to texts if you have an Android phone.

Safety and Tracking Features

If you feel unsafe or if your watch senses that an incident occurred, the Assistance and incident detection features4 send your location to emergency contacts. Incident detection is enabled by default for select activity profiles only.

Live Track Feature

Use LiveTrack to let friends and family follow your real-time location4 and even view your entire pre-planned course. Rest assured that your loved ones know exactly where you're running.

Garmin Connect App

See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more.

Connect IQ Store

Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store app downloaded on your compatible smartphone.

See Your Stats and Track Your Goals in the Garmin Connect App
Run with the best Follow us on the Garmin Running Instagram channel
What's in the Box
  • Forerunner 255
  • Charging/data cable
  • Documentation
Product Features:
  • Weather forecasts
  • Realtime settings sync with garmin connect mobile
  • Battery saver customizable low power watch
  • Controls smartphone music
  • Find my phone
  • Find my watch
  • Find my phone during GPS activity
  • Compatible with garmin messenger app
  • Gps time sync
  • Automatic daylight saving time

Specifications

keyboard_arrow_down

Specs

General

  • Brand Garmin
  • Product Type Smart Watch
  • Product Colour Slate Gray

Activity Tracker Features

  • Water Resistant 5 ATM
  • Heart Rate Monitor Wrist Based HRM
  • Sleep Tracker Yes
  • Tracking Functions Distance Travelled, Calories Burned, Blood Oxygen Level, Floors Climbed, All day stress tracking
  • Additional Features Swim - tracking, Alarm, Stopwatch Function, Clock, Audible Alerts, Time, Weather, Heart Rate Tracker, Calender, Find my phone, Find my watch, Customisable clock face, Female Health Tracking
  • Sensor Type Accelerometer, Pulse Ox Blood Oxygen Saturation Monitor, Gyroscope, GPS, Thermometer, GLONASS, Galileo, Garmin Elevate wrist heart rate monitor, Compass, Barometric altimeter
  • Operating System Compatibility Android, iPhone
  • Wireless Connectivity Bluetooth, ANT+
  • Choose Your Sport Running, Yoga, Swimming, Cycling, Indoor Rowing
  • GPS Yes
  • Music Controls/Playback Controls smartphone music
  • Smart Notifications Yes
  • Functionality Heart Rate, GPS Location Tracking, Sleep Monitoring, Step Counting
  • Watch Category Smartwatch

Connected Health

  • Health Gadget Type Heart Rate Tracker

Sports Watch Features

  • Heart Rate Monitor Yes
  • Memory 4 GB
  • Sports Watch Functions Speed, VO2 Max, Date, Auto Pause, Auto Lap, Foot Pod, Interval Training, Auto Goal
  • Additional Features Timer, Compatible with Vector, Internal Memory, Auto Scroll, Cadence
  • Case Shape Round
  • GPS Features GPS Tracking
  • Watch Type Sport Watch
  • Use While Activities, Elliptical training Hiking, Trainning

Display

  • Screen Type Sunlight-visible, transflective memory-in-pixel (MIP)
  • Screen Resolution 260 x 260 px
  • Touch Screen Yes
  • Screen Size (Display) 1.3"

Battery & Power

  • Battery Life Up to 14 days
  • Power Source Battery

Included Accessories

  • Accessories Charging/Data Cable

Dimensions

  • Width 45.6 mm
  • Depth 45.6 mm
  • Height 12.9 mm
  • Weight 0.049 kg

Delivery & Returns

keyboard_arrow_down

Delivery

We offer a comprehensive nationwide (excluding Republic of Ireland) delivery service; we aim to deliver all orders as quickly as possible.

Item Type Delivered In Delivered By
Small Items 2 Working days DPD
Large Electrical Appliance 3-5 Working days Independent transport company
Furniture & Bedding 3-5 Working days Independent transport company

Please note: if you have ordered furniture and bedding products that involve a lead time, are customised or made to measure, we will contact you to discuss delivery.

Free Click & Collect In Store

Can't wait for delivery or don't want to pay additional delivery charges? It's incredibly simple to collect your online order in store and get your hands on your product quickly and easily. Simply select the Click & Collect option and head to your nearest Harvey Norman store to collect your order.

  1. During checkout, select “Click & Collect” and select your preferred store.
  2. After your order is placed, you will receive an order acknowledgement email with your order number.
  3. Once the store has confirmed your order and reserved the stock, you will receive an email to inform you that your order is "Ready for collection". If you want to use "Contactless Click & Collect" select this option on this email.
  4. Bring your order number to the store you selected for Click & Collect, along with photo ID and the credit card you used to make the order.
  5. Speak to one of our staff and your order should be processed in minutes.
  6. If availing of Contactless Click & Collect, please click the link in your email "ready to pick up" to let the store know you are on your way. When you have parked in the designated parking bay, open your email, and choose the "I'm here" option and a member of staff will bring your purchase out to your car.

Easy returns

Store Purchases: For all items purchased from a physical store, please return to your local Harvey Norman Store. Please see Terms & Conditions here.

Online Purchases: For all items purchased via our Online Store (website), please fill out our Contact Form where our team can guide you through the process.

-->

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