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manual wind backwinder
5.75''', Dm= 13.1mm, Do= 13.25mm
f = 21600 A/h
power reserve 42h
Balance staff U2838
Mainspring / battery
1.50 x 5.5 x 0.06mm
0.99 x 0.49mm
Comments about the data
Girocap combined settings for escapement wheel
indirectly driven minute allows a very big balance
These movements are obviously a joint venture of Doxa, Ebel, Eberhard, Favre-Leuba, Girard-Perregaux, Juvenia, and Zodiac.
Bestfit mentions the calibres Felsa 4035 and 4036 as equivalent, but as these are not contained in any other register, it is uncertain who actually produced them.
differences not known between 54, 54.19
54, 54.19: backwinder
56, 56.19: stem winding
56.29: stem winding, special stem
Example, year: signature; shock device
ca. 1965: 59, Ebel, Fab Suisse; Incabloc
(Ebel 59, stem winding)
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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