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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Cyma 412

Features
manual wind
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 3.4mm
F= 0.4mm
T= 1.5mm
15 jewels
f = 18000 A/h
power reserve 48h

Balance staff U2154

Stem W53

Mainspring / battery
Zf1387, 1.70 x 9.0 x 0.09 x 320mm

Hands
1.30 x 0.85 x 0.22mm

Comments about the data

Remarks
differences not known between 412, 413, 416, 417

family:
414, 415, 418, 419: sub second
412, 413, 416, 417: sweep second
suffix K, Ka: shock device

Example, year: signature; shock device
ca. 1950: 253039, Cyma, Swiss, 15 Jewels
(Cyma 416Ka with shock protection)

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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