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date: set by changing 22:20-24h
7.75''', Dm= 17.2mm
f = 21600 A/h
power reserve 50h
Mainspring / battery
1.30 x 7.0 x 0.08mm
1.30 x 0.80 x 0.18mm
Comments about the data
rotor with very small ball bearing
strange: indirectly driven minute allows a relatively big balance and low profile
17-351: automatic, date
17-36: manual wind
17-361: manual wind, date
Example, year: signature; shock device
ca. 1975: Certina, 17-351, Swiss, 27 Jewels; 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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