Details:Case size (L W H)50.5 45.6 9.5 mmWeight136 gCase and bezel materialCase / bezel material: Stainless steelBandStainless Steel BandOne-touch 3-fold ClaspWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 5 years on SR927SWStopwatch1-second stopwatch Measuring capacity: 29'59 Measuring modes: Elapsed time, split timeAccuracyAccuracy: 20 seconds per monthOther featuresRegular timekeeping: Analog: 2 hands (hour, minute), 3 dials (time keeping second, stopwatch minutes, stopwatch seconds)Date display