View single post by pacifichrono
 Posted: Sat Oct 25th, 2008 02:45 am
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pacifichrono



Joined: Thu Sep 8th, 2005
Location: USA
Posts: 1594
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oagaspar wrote: once again Simon close but no cigar :D...the 3133 was the Russians variation of the Val.7734 but did not use that ebauche...their chronos more resemble ie: the Seagull st-19 movements of Japan...


I dunno...my understanding is that the Poljot 3133 is a direct descendant of the Valjoux 7734, the tooling for which Poljot bought from Valjoux in the mid-1970s or so.  I thought the Chinese Seagull ST19 was made from the Swiss tooling of the Venus 175, or at least 'cloned' from the Venus, which seems to have geometry a bit different from the Valjoux/Poljot.

Here are the "players:" subtlelaugh.gif

Valjoux 7734:

 

 

Poljot 3133:



 

Seagull ST19:



 

Venus 175:

 

 
And another ST19 (from my 1963 Chinese Air Force Reissue):



 

I'm far from an expert on the matter, but the history I picked up as a Poljot dealer never mentioned the Seagull or Venus.

BTW, my ST19 runs really sweet! ThumbsUp02.gif