Mineral Glass Screw Lock Back 100-meter water resistance Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp Solid Band
1-second stopwatch Measuring capacity: 59'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (24-hour, stopwatch minutes, stopwatch seconds) Accuracy: 20 seconds per month Approx. battery life: 2 years on SR920SW Size of case:mm Total weight: 136 g