Basic InformationCase size (L W H)47.9 44.6 12.3 mmWeight39 gCase and bezel materialResin / AluminumBandResin BandWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 3 years on SR626SWExteriorGlassResin GlassBezel featuresTimer BezelCompatible band size145 to 215 mmWatch FeaturesAccuracyAccuracy: 20 seconds per monthOther featuresRegular timekeeping: Analog: 3 hands (hour, minute, second)Date, day display