Rotary bezel Stainless steel case Reliable screw-lock crown Hands and hour markers with large fluorescent areas for easy reading Case / bezel material: Stainless steel Resin Band 200-meter water resistance Mineral Glass Screw Lock Crown Screw Lock Back Anti-reverse Bezel Date display Regular timekeeping Analog: 3 hands (Hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case/total weight: 48.5 X 44.2 X 12.1 mm/92 g