Module No.5125 Case / bezel material: Stainless steel Mineral Glass Clamp 3 with one click Screw Lock Back 100-meter water resistance Date display Regular timekeepingAnalog: 3 hands (hour, minute, second),3 dials (stopwatch minutes, stopwatch seconds, 24-hour) Accuracy: ±20 seconds per month Approx. battery life: 3 years with SR626SW