The Speedy 125 carries a modular construction, to eliminate the inner section of the watch from the case
It is a bit unclear http://ift.tt/1uHAewf in my opinion why you need to accomplish this, apart from having a smaller ‘stopwatch’ than it is possible to hold your hand while timing something.
Should you be looking for just a Speedmaster 125 like this, observe the bracelet (a few of these models had a ref.1225 replacement bracelet from service overhaul). It should be 1221/212 model, that is a lot thicker than its ‘service’ successor http://ift.tt/1suhINE. The first link in the 1225 bracelet is almost half a CM thick! Furthermore, make certain that the gaskets are clean (those between the outer case along with the inner case) understanding that the movement runs smoothly obviously.
Read more about Omega’s ‘Exctract with the Archives’ is available here. For CHF 75.- you’ll be handed a nice folder that has a http://ift.tt/1yRcKat document as pictured above. Although very useful, I do think Omega has produced a blunder through these documents concerning the Production date. As we discussed, your production date was around the 25th of March, 1975. We are convinced which they confused your production date and the shipping date. It can be more logical that it watch has been shipped to Germany about the 25th of March 1975 who’s was manufactured in that year (even as it would have been a 1973 timepiece with just a limited run). In past times, when John Diethelm was curator in the museum, Gurus him once in regards to a Speedmaster Professional pre-Moon. He wrote me which it was stated in 1967 and shipped to Norway in 1968 (including a definite date). Years later, I retrieved an official Extract of the Archives from Omega proclaiming that this watch was stated in 1968.
Anyway, this is a great service and adds some value for a vintage Omega timepiece. Most likely, documentation is missing using these vintage timepieces which method for you to no less than find some home your timepiece.
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