Omega Seamaster Diver 300M Co-Axial Master Chronometer 188.8.131.52.99.001 Limited Edition of 2500. 42mm titanium and rose gold case. Grey dial with hours, minutes and seconds functions. Automatic Swiss made movement caliber 8806, 35 jewels, 25,200 vph, power reserve of 55 hours. Titanium and rose gold bracelet with deployment buckle. Water resistance 300m/1000ft.