Model 928 Quantity 1 Piece Color Black Band Material Stainless steel Casing Material Stainless steel Suitable for Adults Gender UnisexMen Style Wrist Watch Type Sport WatchesCasual Watches Display LED Backlight Blue Movement Quartz Display Format 12/24 hour time format Water Resistant 30m Water Resistant Dial Diameter 3 cm Dial Thickness 0.8 cm Band Length 22 cm Battery 1 x CR2016(included) Other Press the button on the lower right conner will display time for adjust time please press the button on the top right conner and then the lower button then press the upper button again Packing List 1 x Wrist watch