Oris Big Crown Chronograph Watch # 67475674361LS. Size : 42.00mm(Gents). Band : Calf Leather Strap. Red-Rotor High-Mech, Mechanical automatic movement (base Valjoux 7750, 25 jewels, 42hrs power reserve), stainless steel & 18K gold plated casing, display of hours, minutes and chronograph from the centre, 3 subsidiary dials for continous seconds, 30 minutes and 12 hours counter, date, Luminious hands with SuperLuminova inlay, stainless steel crown with screw-on system, plexi-crystal, transparent case back with mineral crystal, water resistant to 50m.