Defender110 Posted September 13, 2006 Report Share Posted September 13, 2006 has anyone come up with a solution or a source for correct chrono or "B" seconds hand on modified breilting chronos? all the latest models w/ the 7750 28,8 -rep seconds 'B' hand will not fit on gen ETA/Valjoux 7750 when installed. =( also is how do you tell by looking at the movement if you have 21beat old or 28,8 new rep 7750? thanks. Quote Link to comment Share on other sites More sharing options...
ubiquitous Posted September 13, 2006 Report Share Posted September 13, 2006 Is the Asian 7750 center seconds hand too big, or too small to fit the pinion? If it's too small... Perhaps it can be broached to fit... Quote Link to comment Share on other sites More sharing options...
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