Basic InformationCase size (L W H)47 44.3 10.8 mmWeight136 gCase and bezel materialStainless steelBandStainless Steel BandOne-touch 3-fold ClaspWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 2 years on SR920SWExteriorGlassMineral GlassCompatible band size150 to 205 mmWatch 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