Omega Speedmaster 9300 44.25 mm Co Axial "In House" Auto Chronometer.
Speedmaster 9300. Stainless steel on bracelet. 44.25 mm. In house Omega made Co Axial column wheel movement with date. Silicon hairspring. 100 metres water proof. Sapphire crystal front and back. 60 hour power reserve. UK Omega main agent supplied. N