Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Watch - 34 mm Steel And Sedna Gold Case - Waved Agate Grey Dial - Taupe-Brown Leather Strap - 220.23.34.20.06.001 president-bracelet Caliber Omega 8903 self winding

Caliber Omega 8903 self winding movement with co-axial escapement

screw-down 18K Everose crown

An opening in the dial allows you to admire this mechanism as it rotates

44 mm stainless steel case with helium escape valve

dark mother-of-pearl dial with diamond hour markers

Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Watch - 34 mm Steel And Sedna Gold Case - Waved Agate Grey Dial - Taupe-Brown Leather Strap - 220.23.34.20.06.001 president-bracelet Caliber Omega 8903 self winding34 mm stainless steel and 18K Sedna gold case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, waved agate grey dial features a date window at 6 oclock, while 18K Sedna gold is used for the hands as well as the indexes, which are shaped like sailboat hulls, Caliber Omega 8800 self winding movement with co axial escapement, chronometer, date, approximately 55 hours of power reserve, taupe brown