Forerunner 255 Slate Grey

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 payments1.

Light on the wrist. Not on features.
A depth of wellness insights.
Stay connected at every step.

Forerunner 255 Slate Grey
Forerunner 255 Slate Grey

Forerunner 255 Slate Grey

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 payments1.

Light on the wrist. Not on features.
A depth of wellness insights.
Stay connected at every step.

8
 
₹27,290.00
Quantity
Product Specification

General

Sleep Score and Insights  
BATTERY LIFE (SMARTWATCH MODE) Up to 14 days
Daily Suggested Workouts Yes (7 days)
Pulse Ox Blood Oxygen Saturation Yes (spot-check, and optional all-day acclimation and in sleep)
GARMIN PAY™  
MULTI-BAND GPS  
Training Status Improved
WATCH DISPLAY TYPE Sunlight-visible, transflective memory-in-pixel (MIP)
Water rating 5 ATM

General

STRAP MATERIAL Silicone
LENS MATERIAL Corning® Gorilla® Glass 3
BEZEL MATERIAL Fibre-reinforced polymer
QUICK RELEASE BANDS Yes (22 mm, Industry standard)
PHYSICAL SIZE 45.6 x 45.6 x 12.9 (mm) Fits wrists with a circumference of 130-205 mm
WEIGHT 49 g
DISPLAY SIZE 1.3" (33 mm) diameter
DISPLAY RESOLUTION 260 x 260 pixels
COLOUR DISPLAY  
Battery type  
Battery life Smartwatch mode: up to 14 days GPS-Only GNSS mode: Up to 30 hours All-Systems GNSS mode: Up to 25 hours All-Systems GNSS mode plus Multi-Band: Up to 16 hours See details
CHARGING METHOD Garmin proprietary plug charger
MEMORY/HISTORY 4 GB

Clock features

TIME/DATE  
GPS TIME SYNC  
AUTOMATIC DAYLIGHT SAVING TIME  
ALARM CLOCK  
TIMER  
STOPWATCH  
SUNRISE/SUNSET TIMES  

Health & Wellness Monitoring

Wrist-based heart rate (constant, every second)  
Daily Resting Heart Rate  
Abnormal Heart Rate Alerts Yes (high and low)
Respiration Rate (24x7)  
Fitness Age  
Body Battery™ Energy Monitor  
All-day Stress  
RELAXATION REMINDERS  
Relaxation Breathing Timer  
SLEEP Yes (Advanced)
SLEEP COACH  
NAP DETECTION  
Hydration Yes (in Garmin Connect™ and optional Connect IQ™ widget)
Women's Health Yes (in Garmin Connect™ and optional Connect IQ™ widget)
HEALTH SNAPSHOT  

Sensors

GPS  
GLONASS  
GALILEO  
SATIQ™ TECHNOLOGY  
GARMIN ELEVATE™ WRIST HEART RATE MONITOR  
PULSE OX BLOOD OXYGEN SATURATION MONITOR  
BAROMETRIC ALTIMETER  
Compass  
GYROSCOPE  
ACCELEROMETER  
THERMOMETER  

Daily smart features

Connectivity Bluetooth® Smart and ANT+®
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)  
VIEW IMAGES FROM NOTIFICATIONS ON WATCH (ANDROID™ ONLY)  
MORNING REPORT  
CALENDAR  
WEATHER FORECASTS  
REALTIME SETTINGS SYNC WITH GARMIN CONNECT™ MOBILE  
BATTERY SAVER - CUSTOMISABLE LOW POWER WATCH  
CONTROLS SMARTPHONE MUSIC  
FIND MY PHONE  
FIND MY WATCH  
Find My Phone during GPS activity  
Compatible with Garmin Messenger app  
VIRB® CAMERA REMOTE  
Smart trainer control  
COMPATIBLE WITH GARMIN CONNECT™ MOBILE  
SMARTPHONE COMPATIBILITY iPhone® and Android™
STOCKS Yes (optional Connect IQ app)

Activity Profiles

GYM Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor rowing, Jump Roping
MULTISPORT Triathlon
WELLNESS Walking, Pilates, Yoga, Indoor Walking
INDOOR RUNNING Treadmill Running, Indoor Track Running
OUTDOOR RUNNING Running, Outdoor Track Running, Trail Running, Ultra Running
OUTDOOR RECREATION Hiking, Archery
CYCLING Biking, Mountain Biking, eBiking, eMountain Biking, Indoor Biking
SWIM Pool Swimming, Open Water Swimming
ON THE WATER Stand Up Paddleboarding, Rowing
RACKET SPORTS Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
SNOW & WINTER Skiing, Snowboarding, XC Classic Skiing
SPORT PROFILES Basketball, Volleyball, Field Hockey, Ice Hockey, Soccer, Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
IN THE RING Boxing, Mixed martial arts
OTHER ACTIVITY PROFILES Inline Skating

Safety and tracking features

INCIDENT DETECTION DURING SELECT ACTIVITIES  
INCIDENT DETECTION ALERT ON PHONE FOR WEARABLES  
ASSISTANCE  
LIVETRACK  
LIVE EVENT SHARING Android™ Only

Activity tracking features

STEP COUNTER  
AUTO GOAL (LEARNS YOUR ACTIVITY LEVEL AND ASSIGNS A DAILY STEP GOAL)  
Calories Burned  
FLOORS CLIMBED  
DISTANCE TRAVELLED  
Intensity minutes  
TRUEUP™  
MOVE IQ™  
GARMIN CONNECT™ CHALLENGES APP Yes (optional Connect IQ app)

Fitness equipment/gym

STRENGTH WORKOUTS  
HIIT WORKOUTS  
YOGA WORKOUTS  
PILATES WORKOUTS  
ON-SCREEN WORKOUT ANIMATIONS  
ON-SCREEN WORKOUT MUSCLE MAP  
AUTOMATIC REP COUNTING  

Training, planning and analysis features

CUSTOMISABLE SCREEN(S)  
DOWNLOADABLE TRAINING PLANS  
COURSE GUIDANCE  
HR Zones  
HR Alerts  
HR Calories  
% HR Max  
% HRR  
RECOVERY TIME  
Auto Max HR  
RACE GLANCE/WIDGET  
HRV STATUS  
HR Broadcast (broadcasts HR data over ANT+® to paired devices)  
Respiration Rate (During Exercise) Yes (with compatible accessory)
GPS SPEED AND DISTANCE  
CUSTOMISABLE ACTIVITY PROFILES  
AUTO PAUSE®  
INTERVAL TRAINING  
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)  
ADVANCED WORKOUTS  
HRM RUNNING PACE AND DISTANCE  
AUTO LAP®  
MANUAL LAP  
REST TIMER  
CONFIGURABLE LAP ALERTS  
VO2 Max (Run)  
VO2 Max (Trail Run)  
LOAD RATIO  
Training Load  
TRAINING LOAD FOCUS  
Training Effect  
Training Effect (Anaerobic)  
PRIMARY BENEFIT (TRAINING EFFECT LABELS)  
CUSTOMISABLE ALERTS  
AUDIO PROMPTS  
MULTISPORT AUTO TRANSITION  
FINISH TIME  
VIRTUAL PARTNER  
RACE AN ACTIVITY  
AUTO MULTISPORT ACTIVITIES  
MULTI-SPORT  
TOUCH AND/OR BUTTON LOCK  
AUTO SCROLL  
ACTIVITY HISTORY ON WATCH  
Physio TrueUp  
UNIFIED TRAINING STATUS  

Running features

GPS-BASED DISTANCE, TIME AND PACE  
RUNNING DYNAMICS Yes (with compatible accessory)
Vertical oscillation and ratio  
Ground contact time and balance  
Stride length (real time)  
Cadence (provides real-time number of steps per minute)  
RUNNING POWER  
GRADE-ADJUSTED PACE  
Performance condition  
Lactate threshold Yes (with compatible accessory)
PacePro™ Pacing Strategies  
RUN WORKOUTS  
TRAIL RUN AUTO CLIMB  
Race predictor  
COURSE- AND WEATHER-SPECIFIC RACE PREDICTOR  
FOOT POD CAPABLE  
RUN/WALK/STAND DETECTION  

Outdoor recreation

POINT-TO-POINT NAVIGATION  
BREADCRUMB TRAIL IN REAL TIME  
BACK TO START  
TRACBACK®  
UltraTrac mode  
UP AHEAD  
ELEVATION PROFILE  
DISTANCE TO DESTINATION  
BAROMETRIC TREND INDICATOR WITH STORM ALERT  
VERTICAL SPEED  
TOTAL ASCENT/DESCENT  
AUTO REST  
FUTURE ELEVATION PLOT  
PROJECTED WAYPOINT  
SUN AND MOON INFORMATION  

Cycling features

COURSES  
BIKE LAP AND LAP MAXIMUM POWER (WITH POWER SENSOR)  
RACE AN ACTIVITY  
ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS INCLUDING TIME, DISTANCE, HEART RATE OR CALORIES)  
FTP (Functional Threshold Power) Yes (with compatible accessory)
COMPATIBLE WITH VECTOR™ AND RALLY™ (POWER METERS)  
COMPATIBLE WITH VARIA VISION™ (HEAD-MOUNTED DISPLAY)  
Compatible with Varia™ radar (rear-facing radar)  
COMPATIBLE WITH VARIA™ LIGHTS  
SPEED AND CADENCE SENSOR SUPPORT (W/SENSOR)  
POWER METER COMPATIBLE  

Swimming features

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)  
DRILL LOGGING (POOL SWIM ONLY)  
BASIC REST TIMER (UP FROM 0) (POOL SWIM ONLY)  
"REPEAT ON" REST TIMER (POOL SWIM ONLY)  
AUTO REST (POOL SWIM ONLY)  
Time and distance alerts  
PACING ALERTS (POOL SWIM ONLY)  
COUNTDOWN START  
POOL SWIM WORKOUTS  
CRITICAL SWIM SPEED  
Underwater wrist-based heart rate  
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 APP Yes (optional Connect IQ Toe-to-Toe™ Challenges app)

General

SECURITY UPDATES UNTIL AT LEAST (YYYY-MM-DD) 2024-06-01

In the Box

  • Forerunner® 255
  • Charging/data cable
  • Documentation

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