Silver-tone stainless steel case and bracelet. Fixed tachymeter scale black stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three sub-dials displaying: 12 hour, 30 minute and small second. Omega Calibre 1861 Hand Wind movement, containing 18 Jewels, composed of 234 parts, bitting at 21600 vph, and has a power reserve of approximately 48 hours. Scratch resistant hesalite crystal. Solid case back. Round case shape, case size: 41 mm. Fold over clasp with a safety release. Water resistant at 30 meters / 100 feet. Functions: chronograph, hour, minute, small second. Speedmaster Professional Series. Luxury watch style. Watch label: Swiss Made. Pre-owned Omega Speedmaster Professional Chronograph Hand Wind Black Dial Mens Watch 3578.51.00.
