DETAIL Mineral Glass Screw Lock Back 50-meter water resistance Case / bezel material: Stainless steel Leather Band Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: 20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 4,8 x 4 x 0,8 cm Total weight: 41 g