G Shock (GD B500 1DR) Rose Gold (Pyramid Dial) date functionCase Shape: RoundMaterial: Stainless date functionCase Shape: RoundMaterial: Stainless steel with bronze ion plated accentsGlass: Sapphire crystalDimension: 42 mm diameterWater Resistance: 50 metersCase Specificities: Ion plated finish with dual tone designBracelet Strap: Black silicone strapClasp: Standard buckle and secondsDial Color: BlackHands: [Standard polished hands]Case Shape: RoundMaterial: Stainless steelGlass: Scratch resistant sapphire crystalCase Back: [Standard case back]Dimension: 37 mm diameterWater Resistance: 50 meters 165 feetStrap Type: LeatherStrap Color: BlackWarranty: 2 yearsManufacturer Reference #: YA133326 battery life: 2 years on CR2016 Accuracy Accuracy: ±15 seconds per month (with no mobile link function) World time Dual time (home time swapping) Stopwatch 1 100 second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1 100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time 000 step increments) Step reminder （Inform you when your step count is too low