Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back Black ion plated case Black ion plated band 100-meter water resistance 1-second stopwatch Measuring capacity: 29'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeeping Analog: 3 hands (hour, minute, second) 3 dials (stopwatch minutes, stopwatch seconds, 24-hour) Accuracy: 20 seconds per month Approx. battery life: 3 years on SR920SW