Case / bezel material: Stainless steel, Genuine Leather Band.; Mineral Glass, Screw Lock Back, 100-meter water resistance.; 1/10-second stopwatch with measuring modes (Elapsed time, Split time, 1st-2nd place times).; Date display.; Regular timekeeping: Analog with 3 hands (hour, minute, second) and 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds).; Accuracy: ±20 seconds per month, Approx.; battery life: 2 years on SR920SW.; Band material is Leather, with a water resistance of up to 100 meters.