Apple Watch Ultra 2
Up to 36 hours (72 in low power)
battery life
1.93-inch OLED LTPO, 3000 nits
display type
100m (WR100), EN 13319
water resistance
Heart rate, SpO2, ECG, depth gauge, temperature
sensors
watchOS
os
$799
price
Samsung Galaxy Watch7
Up to 30 hours
battery life
1.3-inch or 1.5-inch Super AMOLED
display type
50m (5ATM), IP68
water resistance
Heart rate, SpO2, ECG, BIA body composition
sensors
Wear OS 5 (One UI Watch 6)
os
$300
price
Garmin Fenix 8
Up to 29 days (smartwatch mode)
battery life
1.4-inch AMOLED, 2000 nits
display type
100m (10ATM)
water resistance
Heart rate, SpO2, ECG, temperature, depth
sensors
Garmin OS (Connect IQ)
os
$1,000
price
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