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Mechanical movements
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Mechanical movements
ETA 2550 Regulator for adjustable stud holder for flat hairspring No 307/1
CHF10.00
Mechanical movements
ETA 2550 Two-piece regulator for adjustable stud holder, for flat hairspring No 303/2
CHF10.00
Mechanical movements
ETA 2550 Balance cock for stud holder and for shock-protecting device, flat hairspring...
CHF15.00