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-Silvery 41 mm grade 5 titanium

41 mm grade 5 titanium and 18K Sedna gold case

brown calfskin strap with easx-change system

unidirectional rotating bezel with white enamel diving scale

18K yellow gold unidirectional rotating bezel

40mm Oystersteel case

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-Silvery 41 mm grade 5 titanium45. 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