Oris Big Crown Flight Timer2 Watch # 63575684064LS. Size : 42.00mm(Gents). Band : Leather Strap. Red-Rotor Mechanical automatic movement (Oris Cal. 635), display of hours, minutes and seconds from the centre, week day and day date at six oclock, silver guilloche dial with applied indices and numerals, hands with Superluminova inlays, multipiece stainless steel case 316L with applied fluted top ring, secured with nine screws, and massive second crown at two oclock, enabling the rotation of the bezel for the second time zone, stainless steel crowns, sapphire crystal curved on both sides, spherically cut from the inside, mineral glass in the case back, water resistant to 50 m, dark brown pilots leather strap with contrasting seam and security clasp.