Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - 215.30.46.51.01.002 Rhodium scratch-resistant sapphire crystal with anti-reflective

scratch-resistant sapphire crystal with anti-reflective treatment on both sides

40 mm yellow gold case with anti-magnetic protection

35 mm brushed 18K yellow gold case

BRAND Audemars Piguet SERIES Royal Oak Chronograph MODEL NUMBER 26331OR

Brand Audemars Piguet Series Royal Oak

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - 215.30.46.51.01.002 Rhodium scratch-resistant sapphire crystal with anti-reflective45. 5 mm stainless steel case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating black ceramic bezel with orange rubber and Liquidmetal 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 9900 self winding Co Axial