Omega Seamaster Diver 300 M Co-Axial GMT Chronograph Watch - 44 mm Steel Case - Matt Blue Ceramic Bezel - Matt Blue Dial - 212.30.44.52.03.001
44 mm stainless steel case, sapphire back, screw-in crown, matt blue ceramic bezel with unidirectional rotating, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, 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, caliber 3603 self-winding movement with chronograph features with a small seconds sub-dial, approximately 52 hours of power reserve, stainless steel bracelet. Water resistant to 30 bar.