YouYouPifa Men's Stainless Steel Lava Blue LED Digital Bracelet Watch (Black) 100% Brand New Case Size:25*45 mm / 0.98*1.77 inch; Case Thickness:11 mm / 0.43 inch; Strap Width:21 mm / 0.83 inch Stainless Steel Lava Watch Blue LED Light Display Daily water resistant, please don't put it in water