Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Yellow Gold Case - Fluted Bezel - Silvery Dial - Brown Leather Strap - 130.53.39.21.02.002 Silver Caliber Omega 8701 self winding

Caliber Omega 8701 self winding movement with co-axial escapement

automatic Rolex caliber 9001 movement

sun-brushed brown dial with diamond hour markers and scratch-resistant sapphire crystal

40mm Everose Rolesor case with Oystersteel monobloc middle case

Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Yellow Gold Case - Fluted Bezel - Silvery Dial - Brown Leather Strap - 130.53.39.21.02.002 Silver Caliber Omega 8701 self winding39 mm 18K yellow gold case, transparent back set with a yellow gold central Observatory medallion, fluted bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, opaline silvery dial with Pie Pan design, caliber 8901 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m (330 ft).