GARMIN Forerunner 255 Slate Gray Smartwatch (010-02641-00)

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SKU:GRMN-010-02641-00 ,UPC:




GeneralLens MaterialCorning Gorilla Glass 3Bezel MaterialFiber-reinforced polyme…


Lens MaterialCorning Gorilla Glass 3
Bezel MaterialFiber-reinforced polymer
Quick Release BandsYes (22 mm, Industry standard)
Strap MaterialSilicone
Physical Size45.6 x 45.6 x 12.9 (mm)
Fits wrists with a circumference of 130-205 mm
Color DisplayYes
Display Size1.3" (33 mm) diameter
Display Resolution260 x 260 pixels
Display TypeSunlight-visible, transflective memory-in-pixel (MIP)
Weight49 g
Water Rating5 ATM
Battery LifeSmartwatch 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
Memory/History4 GB
Clock Features
GPS Time SyncYes
Automatic Daylight Saving TimeYes
Alarm ClockYes
Sunrise/Sunset TimesYes
Health Monitoring
Wrist-Based Heart Rate (constant, every second)Yes
Daily Resting Heart RateYes
Abnormal Heart Rate AlertsYes (high and low)
Respiration Rate (24X7)Yes
Pulse Ox Blood Oxygen Saturationyes (spot-check, and optional all-day acclimation and in sleep)
Fitness AgeYes
Body Battery Energy MonitorYes
All-Day StressYes
Relaxation ReminderYes
Relaxation Breathing TimerYes
SleepYes (advanced)
Sleep Score and InsightsYes
HydrationYes (in Garmin Connect and optional Connect IQ widget)
Woman's HealthYes (in Garmin Connect and optional Connect IQ widget)
Health SnapshotYes
Multi-Frequency PositioningYes
SATIQ TechnologyYes
Garmin Elevate Wrist Heart Rate MonitorYes
Barometric AltimeterYes
Pulse Ox Blood Oxygen Saturation MonitorYes
Daily Smart Features
ConnectivityBluetooth, ANT+, Wi-Fi
Connect IQ (Downloadable watch faces, data fields, widgets and apps)Yes
On-Device Connect IQ StoreYes
Smart NotificationsYes
Text Response/Reject Phone Call with Text (Android only)Yes
Morning ReportYes
Weather ForecastYes
Realtime Settings Sync with Garmin Connect MobileYes
Battery Saver (Customizable Low Power Watch)Yes
Controls Smartphone MusicYes
Find My PhoneYes
Find My WatchYes
VIRB RemoteYes
Smart Trainer ControlYes
Pairs with Garmin Connect MobileYes
Smartphone CompatibilityiPhone and Android
StocksYes (optional Connect IQ app)
Garmin PayYes
Live Event SharingAndroid Only
Incident Detection During Select ActivitiesYes
Incident Detection Alert on Phone for WearablesYes
Safety and Tracking Features
Incident Detection During Select ActivitiesYes
Incident Detection Alert on Phone For WerablesYes
Live Events SharingAndroid Only
Activity Tracking Features
Step CounterYes
Auto Goal (learns your activity level and assigns a daily step goal)Yes
Calories BurnedYes
Floors ClimbedYes
Distance TraveledYes
Intensity MinutesYes
Move IQYes
Garmin Connect Challenges AppYes (optional Connect IQ app)
Gym and Fitness Equipment
Available Gym Activity ProfilesStrength, HIIT, Cardio and Elliptical Training, Stair Stepping,
Floor Climbing, Indoor Rowing, Pilates, Yoga
Strength WorkoutsYes
HIIT WorkoutsYes
Yoga WorkoutsYes
Pilates WorkoutsYes
On-Screen Workout AnimationsYes
On-Screen Workout Muscle MapsYes
Automatic Rep CountingYes
Training, Planning and Analysis Features
HR ZonesYes
HR AlertsYes
HR CaloriesYes
% HR MaxYes
% HRRYes
Recovery TimeYes
Auto Max HRYes
Race Glance/WidgetYes
HRV StatusYes
HR Broadcast (broadcasts HR data over ANT+ to paired devices)Yes
Respiration Rate (During Exercise)Yes (with compatible accessory)
GPS Speed and DistanceYes
Customizable Data PagesYes
Customizable Activity ProfilesYes
Auto PauseYes
Interval TrainingYes
Improved Interval (Includes open repeats, intervals data page, rest screen and auti detection)Yes
Advanced WorkoutsYes
Downloadable Training PlansYes
HRM Running Page and DistanceYes
Auto LapYes
Manual LapYes
Rest TimerYes
Configurable Lap AlertsYes
VO2 Max (Run)Yes
VO2 Max (Trail Run)Yes
Load RatioYes
Training StatusYes (improved)
Training LoadYes
Training Load FocusYes
Training EffectYes
Training Effect (Anaerobic)Yes
Primary Benefit (Training Effect Labels)Yes
Improved Recovery TimeYes
Daily Suggested WorkoutsYes (7 days)
Custom AlertsYes
Audio PromptsYes
Finish TimeYes
Virtual PartnerYes
Race an ActivityYes
Auto Multisport ActivitiesYes
Manual Multisport ActivitiesYes
Course GuidanceYes
Touch and/or Button LockYes
Auto ScrollYes
Activity History on WatchYes
Physio TrueUpYes
Unfield Training StatusYes
Running Features
Available Run ProfilesRunning, Outdoor Track Running, Treadmill Running, Indoor Track Running,
Trail Running, Virtual Running, Ultra Running
GPS-Based Distance, Time and PaceYes
Running DynamicsYes
Vertical Oscillation and RatioYes
Ground Contact Time and BalanceYes
Stride Length (Real time)Yes
Cadence (Provides real-time number of steps per minute)Yes
Running PowerYes
Grade-Adjusted PaceYes
Performance ConditionYes
Lactate ThresholdYes (with compatible accessory)
PacePro Pacing StrategiesYes
Run WorkoutsYes
Trail Run Auto ClimbYes
Race PredictorYes
Course - And Weather-Specific Race PredictorYes
Foot Pod CapableYes
Run/Walk/Stand DetectionYes
Outdoor Recreation
Available Outdoor Recreation ProfilesHiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding,
Rowing, Tennis, Padel, Pickleball
Sport ProfilesAmerican Football, Field Hockey, Ice Hockey, Soccer/Football, Lacrosse,
Rugby, Ultimate Disc, Cricket, Softball, Baseball, Basketball, Volleyball
Point-to-Point NavigationYes
Bread Crumb Trail in Real TimeYes
Back to StartYes
UltraTrac ModeYes
Elevation ProfileYes
Distance to DestinationYes
Barometric Trend Indicator with Storm AlertYes
Vertical SpeedYes
Total Ascent/DescentYes
Auto RestYes
Future Elevation PlotYes
Projected WaypointYes
Sun and Moon InformationYes
Cycling Features
Available Cycling ProfilesBiking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking
Bike Lap and Lap Maximum Power (with Power Sensor)Yes
Race an ActivityYes
Alerts (triggers alarm when you reach goals
including time, distance, heart rate or calories)
FTP (Funtional Threshold Power)Yes
Compatible with Varia Vision (Head-Mounted Display)Yes
Compatible with Varia Radar (Rear-Facing Radar)Yes
Speed and Cadence Sensor Support (with Sensor)Yes
Power Meter CompatibleYes
Swimming Features
Available Swim ProfilesPool Swimming, Open Water Swimming
Open-Water Swim Metrics (distance, pace, stroke count/rate,
stroke distance, swim efficiency (swolf), calories)
Pool Swim Metrics (lengths, distance, pace, stroke count,
swim efficiency (SWOLF), calories)
Stroke Type Detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)Yes
Drill Logging (pool swim only)Yes
Basic Rest Timer (up from 0) (pool swim only)Yes
"Repeat On" Rest Timer (pool swim only)Yes
Auto Rest (pool swim only)Yes
Time and Distance AlertsYes
Pacing Alerts (pool swim only)Yes
Countdown Start (pool swim only)Yes
Pool Swim WorkoutsYes
Critical Swim SpeedYes
Underwater Wrist-Based Heart RateYes
Heart Rate from External HRM (real-time during rests,
interval and session stats during rests, and automatic heart rate download post-swim)
Yes (with HRM-Swim, HRM-Pro or HRM-Pro Plus)
Kid Activity Tracking Features
Toe-to-Toe Challenges AppYes (optional Connect  IQ Toe-to-Toe Challenges app)

Additional Info

Activity, Model, Product Type, Color,

Additional Info

Forerunner 255
Product Type:
Slate Gray


GARMIN Forerunner 255 Slate Gray Smartwatch (010-02641-00): product description

The GARMIN Forerunner 255 is a lightweight comfortable GPS running smartwatch that gives overview of your sleep, HRV status and daily workout with morning report. The watch uses wrist-based heart rate sensor to offer performance monitoring features, including evaluating current training status.

The Forerunner 255 Smartwatch gets you ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance. Utilize a full suite of advanced metrics and training tools to reach your goals.

The Forerunner 255 helps create your own custom workouts on Garmin Connect online fitness community. The watch constantly samples your heart rate with their latest-generation heart rate sensor and will alert you if it stays too high or too low while you're at rest.

The Garmin Forerunner 255 Smartwatch provides a long battery life up to 14 days in smartwatch mode and up to 30 hours in GPS mode. With the Forerunner 255 you can receive smart notifications, track your runs with the LiveTrack feature and customize with free watch faces, apps and more from Connect IQ store.

Smartwatches details:

 •  GPS Running Smartwatch
 •  Compatibile with iPhone and Android Smartphone
 •  Built-In Sports Apps
 •  Wrist Heart Rate Monitor
 •  Garmin Coach
 •  Daily Suggested Workouts
 •  LiveTrack and Live Track Feature
 •  All-Day Stress Tracking
 •  Sunlight-Visible MIP Color Display
 •  5 ATM Water Rating