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 6119R001 27 mm stainless steel and

27 mm stainless steel and 18K red gold case

interchangeable full back and sapphire crystal back

Diameter: 40

Brand Audemars Piguet Series Royal Oak Model Number 15417OR

approximately 52 hours of power reserve

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 6119R001 27 mm stainless steel and44 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,