product specification Brand, GUESSModel number W1157L3Part Number W1157L3Model Year 2018Item Shape RoundDial window material type MineralCase diameter 38 millimetersCase Thickness 10.8 millimetersBand Material SiliconeBand width 20 millimetersDial color BlueCalendar Day-DateItem weight 2.07 OuncesWater resistant depth 30 Meters