GARMIN Forerunner 255 Sports Watch - Slate Grey, 46 mm

GARMIN Forerunner 255 Sports Watch - Slate Grey, 46 mm

Item No. 10248926
AM_CE_WK40_BNPL6_6
Tracks sports / steps / distance / calories / sleep
Monitors heart rate / VO2 Max / blood oxygen / stress
Battery life: Up to 14 days
Water resistant & swimproof
GPS
Compatible with Android / iOS
WiFi / Bluetooth
2 year guarantee

£299.99

Spread the cost with Currys flexpay

Learn more
icon-pound

Your available credit to spend: -1.0

Make monthly payments

From £12.15 per month for 36 months*

Or buy now, pay later

Pay as much or as little as you like for 9 months. Settle in full by 10 November 2025 & pay no interest

View all flexpay options
*Illustrative example: Credit amount £299.99. Pay 36 monthly payments of £12.15. Total amount payable £437.40. The interest rate for this purchase is 29.9%.

Representative example: Rate of interest 29.9% (variable). 29.9% APR representative (variable). Assumed Credit Limit £1,200.

Credit offers require a Currys flexpay account. With a Currys flexpay account you get a credit limit that you can use for future purchases at your standard flexpay interest rate.
Your personalised APR will be set by Creation Consumer Finance Ltd and will depend on your individual circumstances. Monthly prices shown reflect a 29.9% Representative APR (variable) excluding interest free or low interest offers.
Saved items limit reached (20/20)
To save this item, try removing something else from your Saved items.
Save for later
Check stock in your area
store Delivery Delivery available Checking Stock...
store collection FREE in-store collection in as little as 1 hour Checking Stock...

Delivery to:

Select your preferred delivery option at checkout
Change your location

Want FREE delivery?

Free
Free
open calendar
Select your preferred delivery time slot at checkout

Collection available:

Change your location

What you’ll need to make it even better

Tracks sports / steps / distance / calories / sleep
Monitors heart rate / VO2 Max / blood oxygen / stress
Battery life: Up to 14 days
Water resistant & swimproof
GPS
Compatible with Android / iOS
WiFi / Bluetooth
2 year guarantee
Product code: 599194

Meet your new personal trainer. This Garmin Forerunner 255's always-on, full-colour display means you'll never miss an important notification again. But it's more than just a pretty face. With the Morning Report, you'll be ready to hit your fitness goals as soon as you wake up. It sends loads of useful information like your sleep patterns and daily workout routines right to your wrist, so you won't have to reach for your phone. And forget about charging your watch every night - this beauty has up to 14 days of battery life in smartwatch mode, and up to 30 hours in GPS mode.

Good to know

- The Race Widget gives you personalised training tips to help you gain the edge in your next race and leave the competition eating your dust
- See your entire weeks' worth of daily suggested workouts, which adapt after every run to match your progress
- The HRV Status tracks your heart rate variability while you're catching Zs – it also gives you insights into your wellness, recovery and performance
- Prepare for a 5K, 10K and half-marathon with the Garmin Coach, or create your own custom workouts in the Garmin Connect app
- The training status lets you know if you're overdoing it or not working hard enough – it also helps you with your recovery times

Why we love it

“This watch has plenty of energy, with up to two weeks of battery life in smartwatch mode, and 30 hours in GPS mode. Hopefully you can keep up!” - Andrew, Product Copywriter

Technical specifications for GARMIN Forerunner 255 Sports Watch - Slate Grey, 46 mm

OVERVIEW

Type
Smartwatch
App store
Garmin Connect IQ store
Size / fit
Fits wrist size 130 - 205 mm
Strap material
Silicone
Closure
Buckle
Compatibility
- Android
- iOS

CONNECTIVITY

Connectivity
- Bluetooth
- ANT+
- NFC
- WiFi
GPS
Yes

POWER

Battery type
Built in rechargeable lithium-ion battery
Charging method
USB to Garmin proprietary plug cable
Charge time
1.5 hours
Battery life
- Smartwatch mode: Up to 14 days
- GPS mode: Up to 30 hours

DISPLAY

Shape
Circle
Size
1.3”
Type
- Transflective memory-in-pixel (MIP) display
- Sunlight visible
- Full colour
Touchscreen
No

FEATURES

Resistance
Water resistant and swimproof up to 50 metres (ATM 5)
Health & fitness tracking
- Heart rate
- Steps
- Distance
- Calories
- Sleep
- Move bar
- Floors climbed
- Menstrual cycle
- 30+ built-in sports & activities
- Triathlon and multisport profiles
- Daily suggested workouts
- Morning report
- Heart rate variability
- Garmin coach
- Recovery time
- Wrist-based running power
- Pacepro
- Grade-adjusted pace
- Training effect
- Track running
- Race predictor
- Advanced running dynamics such as stride length and lactate threshold when paired with compatible accessories (sold separately)
Smart functions
- Smartphone notifications
- Contactless payments
- Music remote
- Alarm
- Find my phone
- Find my watch
Sensors
- Accelerometer
- Barometer
- Compass
- Heart rate monitor (HRM)
- Pedometer
- Reflectance pulse oximetry (SpO2)

GENERAL

Dimensions
12.9 x 46 x 46 mm (H x W x D)
Colour
- Face: Black
- Bezel: Slate grey
- Strap: Slate grey
Weight
49 g
Manufacturer’s guarantee
2 years
Box contents
- Garmin Forerunner 255 Sports Watch
- Charging / data cable
- Documentation