this model features a gray and black dial with a steel bracelet
Caliber Omega 8801 self winding movement with co-axial escapement
approximately 48 months of power reserve
Water resistant to 30 bar (300 metres / 1000 feet)
brushed stainless steel bracelet with polished 18K red gold bars
Omega Seamaster Diver 300M Omega Co-Axial Master Chronometer Chronograph - 44 mm Steel And Yellow Gold Case - Blue Dial - Blue Rubber Strap - 210.22.44.51.03.001 Opal this model features a gray44 mm steel and yellow gold case with anti magnetic protection and helium escape valve, transparent back, polished blue ceramic bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue dial with laser engraved waves and a date window at 6 oclock, Calibre Omega 9900 self winding co axial master chronometer movement with chronograph, small seconds, and date, approximately 60 hours of power reserve, blue rubber