A CLEAN AND CRISP OMEGA SPEEDMASTER PROFESSIONAL MARK-2 FOR THE COLLECTOR OR RETAILER, THE WATCH HAS BEEN FULLY SERVICED AND IS RUNNING WELL AND KEEPING TIME AND ALL OF THE CHRONOGRAPH FUNCTIONS ARE WORKING AS WELL, I DON'T SEE THE OMEGA LOGO AT THE CENTER OF THE CRYSTAL SO IT MAY BE AN AFTERMARKET CRYSTAL, THE CROWN AND PUSHERS ARE EXCELLENT AND FREE OF ANY WEAR OR BRASSING, THE CASE IS ALL AROUND EXCELLENT AND MEASURES 41.5MM WIDE NOT COUNTING THE CROWN AND 45MM LUG TO LUG, THE DIAL IS 100% FACTORY ORIGINAL AND ONLY SHOWS A FEW LIGHT FRECKLES.