Display Size
46mm: 1.2 in. 240 x 240 (64 colors)
42mm: 1.1 in. 218 x 218 (64 colors)
Display Type
Memory LCD
Screen Material
Sapphire Glass
Bezel Material
46mm: Titanium Alloy
42mm: Stainless Steel
Strap Material
Silicone
Quick Release Bands
46mm: 22mm
42mm: 20mm
Physical Size
46mm: 46 x 46 x 11.9 mm
42mm: 42 x 42 x 11.75 mm
Weight
46mm: 55.3 g
42mm: 49 g
Phone Connection
Bluetooth
Accessory Connection
ANT+/Bluetooth
Navigation
GPS, GLONASS, BDS
Sensors
Optical Heart Rate Monitor
Barometric Altimeter
Accelerometer
Gyroscope
Compass
Water Resistance
10ATM (100 Meters/328 Feet)
Working Temperature
14°F to 140°F (-10°C to 60°C)
Storage Temperature
-4°F to 158°F (-20°C to 70°C)
Charging Time
Less than 2 Hours
Battery Life (46mm/42mm)
Up to 100/80 Hours in UltraMax GPS Mode
Up to 35/25 Hours in Full GPS Mode
Up to 30/24 Days for Regular Use
Supported Workouts
Run, Indoor Run, Trail Run, Track Run, Mountain Climb, Hike, Bike, Indoor Bike, Pool Swim, Open Water, Triathlon, Gym Cardio, GPS Cardio, Ski, Snowboard, XC Ski, Ski Touring, Multisport