Specification:</BR> - Watch length: 25cm(9.84in)</BR> - Watch thickness: 13mm(0.512in)</BR> - Lens: Mineral reinforced glass</BR> - Strap: Stainless steel strap</BR> - Diameter: 46mm(1.8in)</BR> - Strap width: 24mm(0.95in)</BR> Note: This parameter is for reference only,please refer to the actual product as the standard</BR> Waterproof is tested under static conditions. Wearing a watch which is 30m(98.4ft) waterproof to water will expose the watch to a much greater pressure than during a 30m(98.4ft) static test. Therefore the number of meters shown on the watch does not indicate the depth that the watch can be taken to.</BR>