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electronically controlled balance motor
hack feature (mechanical + electrical)
13''', Dm= 29.0mm, Do= 29.4mm
(battery clip +0,8mm)
f = 28800 A/h
Stem ESA 9157
Mainspring / battery
343 (original, mercury), 344 (replacement, silver odixe)
1.80 x 1.00 x 0.25mm
Comments about the data
9158: day, date
9159: digital display
Example, year: signature; shock device
ca. 1975: ESA 9157, Y2, Lic Ato, Dugena 4204, Swiss, 7 Jewels; unknown, spring like Lubrifix-66 combined setting
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.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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