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View picture in original size
Fig. 1

View picture in original size
Fig. 2

EB 8817

Features
manual wind
digital display: minute, jumping hour

Data
13.5''', Dm= 30.6mm (without discs)
Do= 36.1 x 31.05mm (with discs)
H= 5.2mm
F= 1.9mm
T= 3.2mm
1/17/21 jewels
f = 18000 A/h
power reserve 36h

Balance staff U2953

Stem W2975

Mainspring / battery
Zf974, 1.35 x 11.5 x 0.13 x 360mm

Comments about the data

Remarks
pin-lever escapement
indirectly driven minute allows a big balance and low profile
option: shock protection by elastical spiral balance spokes (cf. EB 8815)
signature often or always 8810

family:
12''':
8800: sub second
8801, 8803: sweep second
8802: sub second, minute recorder
8804: sub second, date
8805: sweep second, date
8806: sub second, date, minute recorder
8807: digital display
13.5''':
8810: sub second
8811, 8813: sweep second
8812: sub second, minute recorder
8814: sub second, date
8815: sweep second, date
8816: sub second, date, minute recorder
8817: digital display

Example, year: signature; shock device
ca. 1975: EB 8800, Agon Chromatic Watch Corp, Swiss, 1 Jewel; Kif-Protechoc
(EB 8807, 12''')

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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