Garmin Forerunner® 255 Music GPS Smartwatch - Black


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Time to tune your training​

Add a beat to your step with the Garmin Forerunner® 255 Music GPS Running Watch in black. Now, you can get the training and recovery insights you need, alongside music to motivate you along the way. ​

Whether you’re passionate about running and ready to take your fitness to the next level or want to mix up your workouts by trying out HIIT training or yoga, or just want to know more about your health outside of exercise, you can stay connected to every step with the Garmin Forerunner® 255 Music GPS Running Watch.​

Start your morning off right with a daily workout report to get you ready for the day ahead, including your training outlook, heart rate, the weather and more. You can also enjoy browsing through the built-in apps for all types of sport, including triathlon, swimming and cycling to name a few. Download more apps from the Garmin Connect app to find out more about how to boost your fitness, including daily suggested workouts, running metrics and even courses, so you’ll never run out of places to explore.​

The Garmin Forerunner® 255 Music GPS Running Watch is easy-to-use, durable and light on the wrist, but not on the features! Its light-as-a-feather design means you’ll almost forget you’re wearing it, even when you’re asleep. Plus, you’ll be able to charge less and train more with up to 14 days battery life and up to 30 hours in GPS mode.​

You’ll receive a depth of wellness insights, including sleep quality, energy monitoring, stress tracking, period or pregnancy tracking and more. You can do all this whilst also listening to music on-the-go! And forget carrying your wallet with you while working out – you’ll breeze through checkout lines with Garmin Pay contactless payments.

Suitable for

This product is suitable for adults and older children with adult supervision and assistance.

How to use

To take full advantage of the Forerunner® features, complete these tasks

Pair the Forerunner watch with your phone using the Garmin Connect™ app (Pairing Your Phone)

Set up Wi‑Fi® networks (Connecting to a Wi‑Fi Network)
Set up safety features (Safety and Tracking Features)

Set up music (Music)
Set up your Garmin Pay™ wallet (Setting Up Your Garmin Pay Wallet)

Hazards and Cautions


Avoid extreme shock and harsh treatment, because it can degrade the life of the product

Avoid pressing the keys under water
Do not use a sharp object to clean the device

Avoid chemical cleaners, solvents, and insect repellents that can damage plastic components and finishes

Thoroughly rinse the device with fresh water after exposure to chlorine, salt water, sunscreen, cosmetics, alcohol, or other harsh chemicals. Prolonged exposure to these substances can damage the case

Do not store the device where prolonged exposure to extreme temperatures can occur, because it can cause permanent damage

Important info

Country of Origin: Taiwan

Product Specification:

Alarm Yes

Step Counter 
Calories Burned 
Floors Climbed 
Distance Travelled 
Intensity Minutes 
Move Iq™ 
Garmin Connect™ Challenges App 
Automatic Rep Counting 
Available Gym Activity Profiles Strength, Cardio, Hiit And Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Yoga, Pilates And Breathwork
On-Screen Workout Animations 
On-Screen Workout Muscle Maps

Battery Life

Smartwatch mode: up to 14 days
GPS-Only GNSS mode: Up to 30 hours
All-Systems GNSS mode with music: Up to 6.5 hours
All-Systems GNSS mode: Up to 25 hours
All-Systems GNSS mode plus Multi-Band: Up to 16 hours
See details

Compatibility with Smart Phone iPhone®, Android™
Connectivity Type Bluetooth®, ANT+®

45.6 x 45.6 x 12.9 (mm)

Display Detail Display Size 1.3" (33 Mm) Diameter
Display Resolution 260 X 260 Pixels
Display Type Sunlight-Visible, Transflective Memory-In-Pixel (Mip)
Location Services GPS, Find my Phone, Find my Watch
Materials LENS MATERIAL Corning® Gorilla® Glass 3
BEZEL MATERIAL Fibre-reinforced polymer
QUICK RELEASE BANDS Yes (22 mm, Industry standard)
Memory 4GB
NFC Information Garmin Pay™
Sensors & Health monitoring Wrist-Based Heart Rate
Daily Resting Heart Rate 
Abnormal Heart Rate Alerts 
Garmin Ecg App 
Body Battery™ Energy Monitor 
All-Day Stress Tracking 
Relaxation Reminders 
Relaxation Breathing Timer 
Sleep Score And Insights 
Women'S Health 
Health Snapshot 
Safety Tracking Features Livetrack 
Live Event Sharing Android™ Only
Incident Detection During Select Activities 
Incident Detection Alert On Phone For Wearables 
Screen size `1.3" (33 mm) diameter
Smart Features Connect Iq™ (Downloadable Watch Faces, Data Fields, Widgets And Apps) 
On-Device Connect Iq™ Store 
Smart Notifications 
Text Response/Reject Phone Call With Text (Android™ Only) 
Realtime Settings Sync With Garmin Connect™ Mobile 
Battery Saver - Customisable Low Power Watch 
Music Storage 
Virb® Camera Remote 
Pairs With Garmin Golf App 
Strap Colour Black
Touch screen Yes
Watch Type  Fitness Smart Watch
Water Resistance Yes -Water Rating 5 ATM
Weight 49g
Wi-Fi/Wireless Connectivity No more less

Delivered by supplier

This product will be delivered directly from the supplier and so only home delivery is available. It will usually take 3 – 5 working days to be delivered.

For information on returns, please see our returns information.