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237H A7750 GMT, how to replace with an ETA 7750?

Rovin

Renowned Member
27/6/10
658
12
0
Got a thing for fitting better movements.

Anyone know how the GMT function operates and if an ETA can be swapped/modded in?
 

COLDI

Mythical Poster
Advisor
Certified
23/9/08
9,712
118
63
I believe a new retaining ring will have to be made as well as sourcing eta hands (which you might be able to get from DSN and just get them relumed)
 

Rovin

Renowned Member
27/6/10
658
12
0
No special mod for the GMT hand? Standard ETA 7750 isn't a GMT.

Or would the A7750 mechanism be able to fit to the ETA?

Also, who's DSN?

Thanks!
 

COLDI

Mythical Poster
Advisor
Certified
23/9/08
9,712
118
63
DSN is davidsen...who is a trusted dealer here