Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back Gray ion plated case Gray ion plated band 100-meter water resistance 1-second stopwatch Measuring capacity: 9'59 Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour) Accuracy: ?ñ20 seconds per month Approx. battery life: 3 years on SR920SW Size of case : 54.5??49.5??12.8mm Total weight : 181g