Basic InformationCase size (L W H)53 47 12.1 mmWeight156 gCase and bezel materialStainless steelBandStainless Steel BandOne-touch 3-fold ClaspWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 3 years on SR920SWExteriorGlassMineral GlassBack plateScrew Lock BackWatch FeaturesStopwatch1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time, 1st-2nd place timesAccuracyAccuracy: 20 seconds per monthOther featuresRegular timekeeping: Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds)Date display