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10.5''', Dm= 23.3mm, Do= 23.7mm
f = 18000 A/h
power reserve 36h
Balance staff U572
Mainspring / battery
Zf1391/1, 1.70 x 9.5 x 0.09 x 350mm
1.30...1.40 x 0.70 x 0.32mm
Comments about the data
signature often or always Cupillard 233
233: sub second
233D: sweep second
suffix new: modified hand-set mechanism
Example, year: signature; shock device
ca. 1940: - Cupillard 233
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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