Case size :40 mm, width :21 mm, case thickness :11.5 mm. Diameter 25.6 mm; Lug 21; Body :HMSDSwiss automatic movement, 316L stainless steel case, scratch resistant sapphire crystal, index index type, date stainless steel bracelet, bow buckle and buttonsWater resistance up to 10 bar (100 m /330 ft) : suitable for short recreational swimming and showers, but not suitable for diving or snorkeling