Silver-tone stainless steel case with a black leather strap. Fixed silver-tone stainless steel bezel. Silver-tone guilloche dial with luminous rose gold-tone hands and alternating stick and Arabic numeral hour markers. Minute markers. days of the week appear around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. One subdial displaying: small second at the 9 o'clock position. Oris Calibre 645 Automatic movement, based upon ETA 2836-2, containing 27 Jewels, bitting at 28800 vph, and has a power reserve of approximately 38 hours. Scratch resistant sapphire crystal. Quick lock security crown. Skeleton case back. Round case shape, case size: 44 mm. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: date, day, hour, minute, second. Aviation Big Crown Series. Dress watch style. Watch label: Swiss Made. Item Variations: Oris 645 7629 4061 LS, 64576294061LS, 645.7629.4061.LS. Oris Big Crown Aviation Automatic Men's Watch 645-7629-4061LS.