Omega Style No: 131.58.29.20.99.002 Omega Constellation Co-Axial Master Chronometer - 29 mm Yellow Gold Case - Diamond Bezel - 18K White Gold Dial

29 mm yellow gold case, transparent back, bezel that features Roman numerals in positive relief and 160 full cut diamonds, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, 18k white gold dial, Calibre 8703 self-winding chronometer movement. Water resistant to 50 metres (167 feet).