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|Cyma 7521 Pleiade|
stem wind and set
17.5''', Dm= 39.3mm
f = 18000 A/h
power reserve 31h
Balance staff Ronda 2310
1.80 x 1.10 / 0.22mm
Comments about the data
open face calibre
An intermediate wheel between minute pinion and the rest of the train allows a low profile without reducing the sturdiness.
The arrangement of the now four train bearings according to the four brightest stars of the constellation Pleiades gave the calibre its name.
option: Chronometer certificate Neuchatel Observarory
differences not known between 17'''10, 701, 703, 7521
17'''10: open-face or hunter
700, 702: hunter
701, 703, 7521: open-face
Example, year: signature; shock device
ca. 1910: - 6902357
(Cyma 17'''10 Pleiade)
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.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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