irolexu Posted August 22, 2013 Report Posted August 22, 2013 I have a friend with a AP ROO with Asian valjoux 7750 that he just can't keep it alive. He has serviced it, had it repaired, parts replaced and still it runs terrible. I am trying to help him possibly opt for a genuine Swiss ETA 7750 17j movement. Any experience swapping out movements with the genuine counterpart? Hands compatible? Datewheel transferrable? How will it fit the case? Many thanks in advance for your replies!
ghost Posted August 23, 2013 Report Posted August 23, 2013 It's a sec at 12 i guess? Those have problems inherent to the movement. Time was, there was a dude that did some graphite treatment on it, but he went the way of amelia earhart (sp?)
FxrAndy Posted August 23, 2013 Report Posted August 23, 2013 I don't even know it the sec at 12 modulal will fit a Swiss 7750 but even if it did it would not solve the problems as it lays with the sec at 12 modulal and not the movement it's self
Yannou Posted August 23, 2013 Report Posted August 23, 2013 Domi has done this job on my Tour Auto 2010...just ask him
FxrAndy Posted August 23, 2013 Report Posted August 23, 2013 Well maybe it can be done but the issue is not the movement but the modification
irolexu Posted August 23, 2013 Author Report Posted August 23, 2013 So I assume the natural lay out would be seconds at 9?
Yannou Posted August 24, 2013 Report Posted August 24, 2013 Well maybe it can be done but the issue is not the movement but the modification Yes Domi added jewels on the modded plate at 12
FxrAndy Posted August 24, 2013 Report Posted August 24, 2013 So I assume the natural lay out would be seconds at 9? Correct I have yet to see how the jewels are added and I really would be interested to see it, I assume that the watch is still running ? Did that mod also solve the stuttering of the sub seconds hand?
Guru1 Posted August 25, 2013 Report Posted August 25, 2013 Domi will do a jewel mod incl a service to the a7750 and everything will be perfect.He can also swap the a7750 with eta 7750 and do the jewel mod to the transfer gears.I have 4 with gen 7750 and all have jewel modds and run fine.Sent from my iPad using Tapatalk
xelorrolex Posted September 29, 2013 Report Posted September 29, 2013 I have a Swiss Valjoux 7750 for sale ... if it helps ! Xel
irolexu Posted October 2, 2013 Author Report Posted October 2, 2013 Domi will do a jewel mod incl a service to the a7750 and everything will be perfect. He can also swap the a7750 with eta 7750 and do the jewel mod to the transfer gears. I have 4 with gen 7750 and all have jewel modds and run fine. Sent from my iPad using Tapatalk Mind me asking how much he charges?
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