Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Sedna Gold Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Leather Strap - 215.63.46.51.01.001 980G010 Caliber Omega 8805 self winding

Caliber Omega 8805 self winding movement with co-axial escapement

back engraved with the official Rio 2016 Olympic Games logo and Limited Edition number

BRAND Audemars Piguet SERIES Royal Oak Offshore Chronograph MODEL NUMBER 26401RO

self-winding chronometer Omega 2627 movement with Co-Axial Escapement

Calibre 4401 selfwinding movement with flyback chronograph

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Sedna Gold Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Leather Strap - 215.63.46.51.01.001 980G010 Caliber Omega 8805 self winding45. 5 mm 18K Sedna gold case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating black ceramic bezel with Ceragold diving scale, scratch resistant sapphire crystal, black ceramic dial with Arabic numerals and a date window at the 6 oclock position, small seconds sub dial, as well as 60 minute and 12 hour counters on one dial, caliber Omega 9901 self winding Co Axial master chronometer