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View picture in original size
Fig. 1

Certina 29-251 (ETA-ESA 9180)

Features
quartz controlled stepper motor
sweep second
date: quickset
electrical hack feature

Data
13''', Dm= 29.0mm, Do= 29.6mm
H= 5.75mm
F= 1.65mm
T= 2.65mm
7 jewels
f = 32768 Hz

Stem ESA 9180

Mainspring / battery
301

Hands
1.50 x 0.90 x 0.25mm

Comments about the data

Remarks
1972-
first ETA quartz movement

family:
29-251: date
29-252: day, date

Example, year: signature; shock device
ca. 1975: ESA 9181, Y2, Swiss, 7 Jewels, Intel 9180, 7338
(ETA-ESA 9181)

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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