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View picture in original size
Fig. 1

View picture in original size
Fig. 2

ZentRa 295 (ETA 717)

Features
manual wind
sub second

Data
8.75 x 12''', Dm=Do= 19.95 x 26.5mm
(rests on corners)
H= 3.45mm
F= 0.5mm
T= 1.7mm
15 jewels
f = 18000 A/h
power reserve 43h

Balance staff U72

Stem W140

Mainspring / battery
Zf877, 1.30 x 10.5 x 0.12 x 320mm

Hands
1.20 x 0.65 / 0.21mm

Comments about the data

Remarks
like ETA 717, but lower, early Incabloc shock device
differences between 185, 295 uncertain
Most samples match both bridge layouts shown in this archive, but there are also samples with the respectivly other layout.

Example, year: signature; shock device
ca. 1935: Zentra 295 - ETA; Incabloc old shape

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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