Garmin
Forerunner® 255S
Forerunner® 255S
Forerunner® 255S
Reach your next goal
Trained effectively thanks to advanced and recovery analysis data, to have your preparation under control and improve your PB.
Monitor your state of health through sleep data, cardiac frequency variability (HRV) and daily training tips, all in a single screen of the morning report.
Refill less frequently the device thanks to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.
Pushes beyond your runners with the Sport Triathlon profile or choosing from over 30 different activities.
Plan your training strategy thanks to daily advice, details of the route and much more on the race widget.
Know your strengths and weaknesses thanks to the analysis of the metrics and trained in a more effective way to achieve your goals.
Pay your coffee or isotonic drink after training with the contactless system1Garmin Pay™ integrated into the clock.
General |
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Lens material | Coring® Gorilla® Glass 3 |
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Golden material | Reinforced polymer fiber |
Quick release straps | Yes (18 mm) |
Strap material | Silicone |
Cassa size, LXLXA | 41 x 41 x 12.4 (mm) Suitable for wrists with a circumference of 110 - 175 mm |
Color screen | |
Screen size, lxa | 27.5 mm (1.1 ") in diameter |
Screen resolution, LXA | 218 x 218 pixels |
Screen type | Anti-reflex, MIP (Memory-in-Pixel) Transfective |
WEIGHT | 39 g |
Classification of waterproofing | Swimming, 5 atm |
Battery life | Smartwatch mode: up to 12 days GNSS MODE SOLO GPS: up to 26 hours GNSS mode All systems: up to 20 hours GNSS MODE ALL THE MORE MULTIRMAN SYSTEMS: UP TO 13 HOURS View details |
Memory/chronology | 4 GB |
Watch functions |
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Time/date | |
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Synchronization of the hour via GPS | |
Automatic legal time | |
WAKES UP | |
TIMER | |
Chronometer | |
Alba/sunset timetables |
Health monitoring |
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Cardiac frequency on the wrist (Constant, every second) | |
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Cardiac frequency with a daily rest | |
Notices on the anomalous heart rate | Yes (high and low) |
Respiratory frequency (24x7) | |
Saturation of oxygen in the blood pulse ox | Yes (sample control and optional acclimatation throughout the day and sleep) |
Fitness age | |
Body Battery ™ energy monitoring | |
Daily stress tracking | |
Remarking reminder | |
Timer Remoteing Remotection | |
SLEEP | Yes (advanced) |
Sleep monitoring (sleep score and insights messages) | |
Hydration | Yes (in Garmin Connect ™ and in the Optional Connect IQ ™ widget) |
Women's health monitoring | Yes (in Garmin Connect ™ and in the Optional Connect IQ ™ widget) |
Health Snapshot |
Sensors |
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GPS | |
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Glonass | |
Galileo | |
Multifrequency position detection | |
Satiq ™ Technology | |
High Garmin Carto Cardio technology™ | |
Barometric altimeter | |
COMPASS | |
GYROSCOPE | |
Accelerometer | |
THERMOMETER | |
Acclimatation of the pulseximeter |
Smart functions daily |
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Connectivity | Bluetooth®, Ant+® |
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Connect IQ™ (Clock quadrants, data fields, widgets and downloadable apps) | |
Connect IQ ™ Store on the device | |
Smart Notification | |
Automatic response with preset messages (Android ™ only) | |
CALENDAR | |
WEATHER FORECAST | |
Synchronization of real -time settings via mobile phone with Garmin Connect ™ apps | |
Energy saving: customizable low consumption watch | |
Music control on smartphones | |
Find my phone | |
Function finds the clock | |
Virb ™ remote control | |
Compatibility of the smartphone | iPhone®, Windows and Android ™ |
Compatible with Garmin Connect™ MOBILE | |
Garmin Pay ™ |
Safety and detection functions |
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Livetrack | |
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Event sharing in real time | only Android ™ |
Incident surveys during some activities | |
Incident Detection Alert on Phone For Wearables | |
ASSISTANCE |
Activities detection functions |
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Counterpass | |
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Movement bar (appears on the device after a period of inactivity; walk for a couple of minutes to reset it) | |
Automatic objective (stores the level of activity and assigns a goal of daily steps) | |
Calories burned | |
Plans climbed | |
Distance traveled | |
Minutes of intensity | |
Trueup ™ | |
Move Iq ™ | |
Garmin Connect ™ Challenges app | Yes (App Connect IQ Optional) |
Fitness equipment/gym |
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Automatic counting of repeated | |
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Gym activity profiles available | Training of the functional force, hiit, cardio and elliptical, stoir steppers, plans of climbing stairs, indoor rowing, pilates, yoga |
Functional force training | |
HIIT training | |
Yoga training | |
Pilates training | |
Training animations on the screen | |
Muscle maps of training on the screen |
Training, planning and analysis functions |
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Zones of intensity | |
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FC notices | |
Calorie FC | |
% Fc max | |
% Fcr | |
Recovery time | |
FC Max Automatic | |
Morning report | |
Quick view/Widget of the race | |
HRV state | |
HR Broadcast (transmits FC data to associated devices via Ant+™) | |
Respiratory frequency (during activity) | Yes (with compatible accessory) |
GPS speed and distance | |
Customizable data pages | |
Customizable activities profiles | |
Car pause® | |
Interval training | |
Repeated improved (includes the repeated free, the page with the data on intervals, the recovery screen and automatic detection) | |
Advanced training | |
Downloadable training plans | |
HRM Running Pace and Distance | |
Auto Lap® | |
Manual lap | |
Recovery timer | |
Configurable lap notices | |
VO2 Max (race) | |
V2 Max (Trail Run) | |
Training status | improved |
Training Load | |
Focus Training Load | |
Training Effect (aerobic) | |
Training Effect (anaerobic) | |
Primary benefit (Touring Effect labels) | |
Improved recovery time | |
Suggested daily workouts | Yes (7 days) |
Customizable notices | |
Audio notices | |
End time | |
Virtual partner | |
Virtual Racer ™ | |
Automatic multisport activities | |
Manual multisport activities | |
Route instructions | |
Touch and/or buttons block button | |
Automatic sliding | |
Chronology of clock activities | |
Physio Trueup |
Running functions |
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Running profiles available | Race, track running, treadmill, indoor race, trail running, virtual race, ultramarathon |
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Distance, time and step based on GPS | |
Running dynamics | Yes (with compatible accessory) |
Oscillation and vertical relationship | Yes (with compatible accessory) |
Contact time with soil and balance | Yes (with compatible accessory) |
Pass length (in real time) | Yes (with compatible accessory) |
Cadence (provides the number of steps in real time per minute) | |
Running power | Yes (with compatible accessory) |
Grade-Adjusted Pace | |
Condition of performance | |
Anaerobic threshold | Yes (with compatible accessory) |
Pacepro ™ pace strategies | |
Running workouts | |
Climb car for trail running | |
Race forecast | |
Race forecasts based on route and weather | |
Support of speed and cadence sensors (with sensor) | |
Run/Walk/Stand Detection |
Functions for Outdoor activities |
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Profiles for outdoor activities available | Hiking, skiing, snowboarding, classic background skiing, sup, rowing |
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Navigation from point to point | |
Path marked in real time | |
Back at the beginning | |
Tracback® | |
Ultratrac mode | |
Places on the course | |
Quota profile | |
Distance to destination | |
Barometric trend indicator | |
Vertical speed | |
ASCESSE/Total descent | |
Expected elevation graph | |
Waypoint projected | |
Effemerids |
Cycling functions |
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Bike profiles available | Bikes, indoor bikes, mountain bikes, ebiking, hemountain bike |
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Time/distance alarm (an alarm is activated when the goal is achieved) | |
Paths (allows you to compete with previous activities) | |
Lap by bike and maximum power in the lap (with power sensor) | |
Match against an activity | |
Power threshold (FTP, Functional ThresHold Power) | Yes (with compatible accessory) |
Compatible with Vector ™ | |
Compatible with the Vector ™ power sensor (allows you to view the Watt expressed during the ride with the ant+™ power sensors compatible with third parties) | |
Compatible with various Vision ™ (screen mounted on the head) | |
Compatible with the Varic ™ radar (radar facing the rear) | |
Compatible with Various lights ™ | |
Support for speed and cadence sensor (with sensor) |
Swimming functions |
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Swimming profiles available | Swimming in the pool, swimming in a waters free |
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Metrics for free water swimming (distance, step, number/frequency of the strokes, calories) | |
Metrics for swimming in the pool (tubs, distance, step, number/frequency of the strokes, calories) | |
Detection of the type of stroke (freestyle, back, dolphin, butterfly) | |
Exercise registration | |
Basic recovery timer (from on to 0) | |
Repeated recovery timer activated " | |
Automatic recovery | |
Time alerts and distance | |
Notices on the pace (swimming in the pool only) | |
Start counting | |
Swimming workouts | |
Critical swimming speed | |
Cardiac frequency on the underwater wrist | |
Heart rate (in real time during recoveries, statistics of repeated and sessions during recoveries and automatic download of the heart rate after swimming) | Yes (with HRM-SWIM, HRM-PRO OR HRM-Pro Plus) |
Reception functions for children |
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Toe-to-toe ™ challenges app | Yes (optional toe-to-toe ™ challenges App available on Connect IQ) |
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Connectivity |
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Smart Trainer control |
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PACKAGING:
- Forerunner® 255S
- Charging cable/data
- Documentation