Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel And Sedna Gold Case - Silvery Dial - Brown Leather Strap - 220.23.41.21.02.001 finish 18K yellow gold screw-down crown

18K yellow gold screw-down crown with twinlock double waterproofness system

Virtually scratch proof Cerachom bezel

35mm 18K white gold case set with brilliant-cut diamonds

silver barleycorn dial with painted Arabic numerals

Large size (36mm) 18K yellow gold case

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel And Sedna Gold Case - Silvery Dial - Brown Leather Strap - 220.23.41.21.02.001 finish 18K yellow gold screw-down crown41 mm stainless steel and 18K Sedna gold case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, silvery dial with a horizontal teak pattern, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, brown leather strap. Water resistant to 150 m (500 ft).