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View picture in original size
Fig. 1

View picture in original size
Fig. 2

EB 8117

Features
automatic
sweep second
Day
date: set by changing 21-24h

Data
8.75''', Dm= 19.4mm, Do= 19.7mm
1/17 jewels
f = 18000 A/h
power reserve 37h

Balance staff U3110

Stem W3024

Mainspring / battery
1.30 x 7.5 x 0.08mm

Hands
1.30 x 0.90 x 0.21mm

Comments about the data

Remarks
pin-lever escapement

family/generations:
8.75''':
8111: -
8115: date
8117: day, date
8155: quick-set date
8157: day, quick-set date
11.5''':
8131: -
8135: date
8137: day, date
8175: quick-set date
8177: day, quick-set date

Example, year: signature; shock device
ca. 1975: EB 8170, E. Gunzinger Co, W4, Swiss, 17 Jewels; Kif-Trior
(EB 8155)

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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