Basic InformationCase size (L W H)40.8 35 8 mmWeight85 gCase and bezel materialStainless steelBandStainless Steel BandOne-touch 3-fold ClaspWater resistance50-meter water resistancePower supply and battery lifeApprox. battery life: 3 years on SR920SWExteriorGlassMineral GlassSurface treatmentGold ion plated caseGold ion plated bandCompatible band size150 to 205 mmWatch FeaturesAccuracyAccuracy: 20 seconds per monthOther featuresRegular timekeeping: Analog: 3 hands (hour, minute, second)Day and date display