OMEGA Seamaster Diver300 Co axial chronometer chronograph.

OMEGA Seamaster Diver300 Co axial chronometer chronograph.All Steel 44mm casing,sapphire crystal,grey dial. Omega 9900 Self-winding chronograph with column wheel and CoAxial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.Attached to an all steel link bracelet.Water resistant to 300 meters.