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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Cyma 570

Features
stem wind and set
sub second

Data
15.25''', Dm= 34.1mm, Do= 34.9mm
H= 4.6mm
F= 0.5mm
T= 1.8mm
7/15 jewels
f = 18000 A/h
power reserve 31h

Balance staff U928

Stem W1425

Mainspring / battery
Zf1166, 1.45 x 13.0 x 0.16 x 370mm

Hands
1.75 x 1.10 / 0.20mm

Comments about the data

Remarks
open face calibre
Breguet hairspring
pallets and impuls pin steel, if 7 jewels
differences not known between 7, 570...573, 670, 671
many calibres on same base with 15.25...16.5''' and only partially known details:
1, 510, 511, 515, 610, 611, 613, 1713, 1815,
2,
3, 530, 531, 630, 631, 633,
4, 540, 541, 640, 641,
7, 570, 571, 572, 573, 670, 671

Example, year: signature; shock device
ca. 1930: 39, Cyma, Ref.571 - 14823539
(Cyma 571)

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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