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|AM 397 (Felsa 397)|
12''', Dm= 26.6mm
f = 18000 A/h
power reserve 45h
Balance staff U864
Mainspring / battery
Zf1398, 1.70 x 10.5 x 0.12 x 320mm
1.50 x 0.90 x 0.22mm
Comments about the data
it is unknown whether the ebauches were made by AM or Felsa
differences not known between 394, 396, 397
390: sub second
391: sub second, no mounting flange
394: sweep second
395: sweep second, no mounting flange
399: sub second, 13'''
Example, year: signature; shock device
1951: Mido 1200B, Made in Switzerland, 3x Adjusted, 15 Jewels - Felsa 390; Superchoc
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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