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10.5''', Dm= 23.3mm, Do= 23.7mm
f = 18000 A/h
power reserve 48h
Balance staff U2154
Mainspring / battery
Zf1387, 1.70 x 9.0 x 0.09 x 320mm
1.30 x 0.85 x 0.22mm
Comments about the data
differences not known between 412Ka, 413Ka, 416Ka, 417K
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; Cymaflex-I
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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