Brand: Garmin
Model: FORERUNNER 255 | SLATE GRAY
General
LENS MATERIAL Corning® Gorilla® Glass 3
BEZEL MATERIAL Fibre-reinforced polymer
QUICK RELEASE BANDS Yes (22 mm, Industry standard)
STRAP MATERIAL Silicone
PHYSICAL SIZE 45.6 x 45.6 x 12.9 (mm)
Fits wrists with a circumference of 130-205 mm
COLOUR DISPLAY
DISPLAY SIZE 1.3″ (33 mm) diameter
DISPLAY RESOLUTION 260 x 260 pixels
DISPLAY TYPE Sunlight-visible, transflective memory-in-pixel (MIP)
WEIGHT 49 g
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
WATER RATING 5 ATM
MEMORY/HISTORY 4 GB
Health monitoring
ABNORMAL HEART RATE ALERTS Yes (high and low)
PULSE OX BLOOD OXYGEN SATURATION Yes (spot-check, and optional all-day acclimation and in sleep)
SLEEP Yes (Advanced)
HYDRATION Yes (in Garmin Connect and optional Connect IQ widget)
WOMEN’S HEALTH Yes (in Garmin Connect and optional Connect IQ widget)
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