Quantity 1 Piece Color Black + Blue Item Shape Round Dial Window Material plexiglass Casing Material Stainless steel Band Material Silicone Suitable for Adults Gender Men Style Wrist Watch Type Sport Watches Display Analog Movement Quartz Display Format 12 hour format Water Resistant Daily Water Resistant (not for Swimming) Dial Diameter 40 mm Dial Thickness 10 mm Band Length 260 mm Band Width 20 mm Battery 1 x SR44SW (included) Others This watch is designed with big plate and silicone band which is perfect for sports or exercise use. The Noctilucent dial panel means you can read the time in the dark; The quartz battery keeps the watch working automatically and saves you the trouble of winding. It is daily water resistant. Packing List 1 x Wrist watch