Oris Artelier Chronometer Date Watch # 63775444061LS. Size : 40.50mm(Gents). Band : Black Calfskin Leather Strap. Red-Rotor High-Mech, Mechanical automatic movement (base ETA 2824-2, 25 jewels, 38hrs power reserve) with Chronometer certificate, display of hours, minutes and seconds from the centre, date at 6 oclock, stainless steel casing, polished hands with Superluminova inlay, flat sapphire crystal with inside anti-reflex coating, transparent case back with mineral crystal, water resistant to 30m.