DETOMASO Men's Quartz Stainless Steel and Leather Casual Watch, Color Black (Model: DT2060-B) Chronograph with precision technology from Miyota caliber 6S50 Half-open watch face with view of the quartz clockwork mechanism Quartz Movement Case Diameter: 45mm Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving Chronograph with precision technology from Miyota calibre 6S50 Mineral crystal glass Half-open watchface with view of the quartz clockwork mechanism Tachymeter, stopwatch function and sweep-second hand Large date format Water resistant up to 10 ATM