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10.5''', Dm= 23.3mm
f = 18000 A/h
Balance staff Cyl. 0.75 x 3.57 x 0.75mm
Mainspring / battery
Zf1132, 1.45 x 9.5 x 0.11 x 290mm
1.30 x 0.80 / 0.22mm
Comments about the data
differences not known between 453, 454
453, 454: sub second
458 : sweep second
Example, year: signature; shock device
ca. 1936: - AM logo, Ebauches-SA logo from 1936 (TR in shield)
© R. van Rijn
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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