Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 43.5 mm Black Ceramic Case - Unidirectional Bezel - Black Ceramic Dial - Black Rubber Strap - 210.92.44.20.01.001 omega matt blue dial with yellow

matt blue dial with yellow GMT hand that matches the yellow 24-hour scale on the dial which makes it possible to keep track of time in a second time zone

sapphire back

black dial set with vintage super-luminova

champagne dial with an embossed lozenge pattern and a date window at the 3 o’clock position

Caliber Omega 8901 self winding movement with co-axial escapement

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 43.5 mm Black Ceramic Case - Unidirectional Bezel - Black Ceramic Dial - Black Rubber Strap - 210.92.44.20.01.001 omega matt blue dial with yellow43. 5 mm black ceramic case with helium escape valve, transparent back, unidirectional rotating bezel with white enamel diving scale, domed scratch resistant sapphire crystal anti reflective treatment on both sides, polished black ceramic dial with laser engraved waves, Caliber Omega 8806 self winding movement with a co axial escapement, chronometer, approximately 55 hours of power reserve, black rubber strap. Water resistant to 30 bar (300 metres