Omega Speedmaster Moon Professional Tritium Step Dial cal 861 ref 145.022 #331

Early 70s Omega Speedmaster Moon Professional Tritium Step Dial for cal 861 ref 145.022 measures 31.1mm. A watchmakers find, lume dots added at some point in the past over missing tritium batons.



_gsrx_vers_1710 (GS 9.9.1 (1710))