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|AS 1920 Chronospeed|
date: quickset by repeated pushing the crown
12.5''', Dm= 28.0mm, Do= 28.35mm
(dial spacer +0.1mm)
f = 36000 A/h
power reserve 46h
Balance staff U3424
Mainspring / battery
1.15 x 11.5 x 0.15mm
1.5 x 0.90 x 0.20mm
Comments about the data
1970-1974, only low volume production
AS2 lever regulator
originally designed for the chromometer ASSA Chronospeed 1920, but also applied by few other companies
Example, year: signature; shock device
1-2) 1970: Swiss, 25 Jewels; Incabloc (uncertified prototype, Technos rotor not original)
1970: unsigned prototype; Incabloc
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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