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stem wind and set
18''', Dm= 40.05mm, Do= 40.8mm
f = 18000 A/h
Mainspring / battery
Zf3641, 2.20 x 16.0 x 0.20 x 460mm
1.70 x 1.02 / 0.30mm
Comments about the data
open face calibre
bimetallic screw balance
lever and escape wheel anodized aluminium
early two-section regulator for coarse and fine adjustment (Fig.3)
two-part crown wheel with big bearing (Fig.4)
steel bearing for stem (Fig.4)
attention: left handed ratchet-wheel screw
ebauche or even finished movement from Recta
Example, year: signature; shock device
ca. 1910: UH (Union Horlogère)
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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