Garmin Forerunner 255 Dark Gray
Choose your smartwatch: Gray
Product information
Pros and cons
According to our smartwatch expert
- Improve your running performance with updates and tips during your training.
- During a triathlon, you can switch between sports profiles at the touch of a button.
- This watch looks best on a wrist circumference of at least 17cm, get the smaller Forerunner 255S with a smaller wrist circumference.
Description
Tips for using this product
Read our tips and find out all about how to set up your product and use it the right way.
Included by default
- Manual
- USB-A charging cable (excluding charger)
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Specifications
Product
- Product number
- 924744
- Manufacturer code
- 010-02641-10
- Brand
- Garmin
- Warranty
- 2 years
- Processing of your defect
- Via Coolblue
- Old product returned for free
Operating system
- Compatible with operating system
- Android, iOS
- Required iPhone model
- iPhone 6s or later
- Required Android version smartphone
- Android 7.0 or higher
- Operating system
- Garmin OS
- Year introduced
- 2022
- Guaranteed support with updates
- 60 months after release date
General properties smartwatch
- Watch case color
- Gray
- Watch case material
- Plastic
- Watch case shape
- Round
- Height
- 46 mm
- Width
- 46 mm
- Depth
- 13 mm
- Weight
- 49 g
- Size watch case
- Large
- Recommended for wrist circumference
- 19 - 22 cm
- Total storage capacity
- 4 GB
- Shockproof
- Controlled via buttons on device
Watch strap properties
- Watch strap material
- Silicone
- Watch strap color
- Gray
- Closure type
- Buckle
- Interchangeable watch strap
- Compatibility watch strap
- Product specific
Screen properties
- Screen type
- MIP
- Always-on display
- Data display
- Digital
- Touchscreen
- Color screen
- Adjustable watch face
- Type of glass
- Gorilla glass
Battery
- Battery life in time mode
- 336 hours
- Battery life in sports mode
- 25 hours
- Battery/battery capacity
- 180 mAh
- Energy source solar power
- Wireless charging
Connectivity
- Options internet connection
- WiFi only
- Bluetooth
- ANT+
- Independent music player
- Music controls
- Built-in microphone
- Built-in speakers
- Spoken directions
- Call options
- Only answer calls
- Smartphone notifications
- Receive messages
- Smart reply
- App installation possible
- Camera operation
- NFC
- Contactless payment
- Contactless payment system
- Garmin Pay
- Country contactless payment
- Belgium, The Netherlands
Daily activities
- Pedometer
- Measures distance
- Speedometer
- Calorie counter
- Measures stairs climbed
Heart rate measurement
- Heart rate measurement
- Heart rate zones
- Heart rate sensor
- Chest strap sold separately, Integrated pulse sensor
- Type of heart rate measurement
- Optical heart rate measurement
- Heart rate measurement moment
- Continuously
- Irregular heartbeat notification
- Heart rate measurement under water
Health properties
- Quality of health readings
- Good
- Skin temperature sensor
- Oximeter
- Blood pressure monitor
- EDA sensor
- Sleep score
- Measure REM sleep
- Average heart rate during sleep
- Measure recovery during sleep
- Menstrual cycle tracking
- Pregnancy monitoring
Sports properties
- Quality of sports readings
- Good
- Recommended for sports
- Biking, Fitness, Hiking, Multisport, Outdoor, Running, Swimming, Tennis, Triathlon, Water sports, Winter sports
- Adjust sport profiles
- Manual training programs
- Save personal records
- Measure fitness age
- Recovery advice
- Interval training
- VO2 max measurement
- Automatic pausing
- Measures minutes of intensive training
- Measures average speed during activity
- Lap counter
- Race prognosis
- Measures step distance
- Measure running cadence
- Measures swimming distance
- Measures swimming speed
- Swimming lap counter
- ATM score
- 5
GPS
- Built-in GPS receiver
- Global satellite navigation system
- GLONASS, GPS, Galileo
- GPS application
- Navigation, Route registration
Sensors
- Compass
- Altimeter
- Type of altimeter
- Barometric, GPS
- Accelerometer
- Thermometer
Other functionalities
- Fall detection
- Alarm function
- Geofencing