With the Omega culture of limited edition Speedmasters basically a question born out of curiosity more than anything to the few forum experts that might have an idea? Question, with the likes of Straight writing case backs and Transitional Speedmasters what type of numbers are we talking about that would have been produced within these two models? M
Here you go, read this and all your questions will be answered. Big thanks to @Spacefruit http://speedmaster101.com/145-022-transitional/ http://speedmaster101.com/145-022-straight-writing/