manual-winding Omega 1863 movement with chronograph and small seconds (original movement that was worn on the moon)
Calibre Omega 8500 self-winding co-axial chronometer movement with date
black alligator leather strap with 18K white gold folding Oysterclasp
silver dial with Roman numerals and index hour markers
rotatable 12-hour graduated steel bezel and 45-minute totalizer ensure ultimate precision
Rolex White Gold Datejust 31 Watch - Fluted Bezel - Rhodium Roman Dial - President Bracelet - 178279 rrp Moon Phase manual-winding Omega 1863 movement with31mm 18K white gold case, screw down crown with twinlock double waterproofness system, fluted bezel, scratch resistant sapphire crystal with cyclops lens over the date, rhodium dial, Roman numerals, Rolex calibre 2235 automatic movement, President bracelet with semi circular three piece links, concealed folding Crownclasp buckle. Waterproof to 100 meters.