Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Grey Dial - Brown Leather Nato Strap - 220.12.40.20.06.001 da-vinci dark brown alligator leather strap

dark brown alligator leather strap by santoni with quick-change system

silver dial

self-winding Audemars Piguet Calibre 2121 movement with date

blue ceramic bezel ring with brushed platinum Liquidmetal tachymeter scale

18K sedna gold bezel with omega ceragold diving scale

Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Grey Dial - Brown Leather Nato Strap - 220.12.40.20.06.001 da-vinci dark brown alligator leather strap40 mm stainless steel case, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, vertically brushed grey dial with brushded stainless steel hands and recess hour markers filled with vintage color Super LumiNova, caliber 8806 self winding Co Axial master chronometer movement, approximately 55 hours of power reserve, brown leather NATO strap. Water resistant to 150 m (500 ft).