Case size (L× W× H) 31.2 × 25.2 × 7.5 mm Weight 11 g Case and bezel material Resin Band Resin Band Water resistance Water Resistant Power supply and battery life Approx. battery life: 3 years on SR626SW
Case size (L× W× H) 37.9 × 34.9 × 11.9 mm Weight 20 g Case and bezel material Resin Band Resin Band Water resistance 50-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR1620
