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49 millimeters
Yes
Apple iOS
watchOS
Yes
Unlocked
32 gigabytes
GPS
36 hours
Heart rate, Sleep quality, Electrocardiography (ECG), Blood oxygen
Yes
328 feet
Ultra
- Minimum Wrist Size 5.12 inches
- Maximum Wrist Size 7.09 inches
- Band Size Small/Medium
- Product Height
1.93 inches
- Product Depth
0.57 inches