Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Sedna Gold Case - Brown Dial - Brown Leather Strap - 131.23.39.20.13.001 Annual Calendar 0 mm titanium case with

0 mm titanium case with soft-iron inner case for protection against magnetic fields

It remains true to the icon's sporty heritage with design elements such as angular Snowflake hands and an unprotected winding

The clasp also features double safety push buttons that prevent it from being unlocked by accident

Water resistant to 10 bar

36 mm steel and sedna gold case with anti-magnetic protection

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Sedna Gold Case - Brown Dial - Brown Leather Strap - 131.23.39.20.13.001 Annual Calendar 0 mm titanium case with39 mm steel and sedna gold case with anti magnetic protection, transparent back, bezel engraved with Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed brown dial with date at 6 oclock, Calibre Omega 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, brown leather strap. Water resistant to 50 metres (167 feet).