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Fig. 1

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Fig. 2

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Fig. 3

Baumgartner 866(digital,CLD)

Features
manual wind
sweep second
digital display: minute, jumping hour, 12 or 24h
date: set by +/-24h

Data
12 / 13.5''', Dm= 26.45 / 30.7mm
Do= 26.9 / 31.15mm
H= 6.15mm
(winding gear, lever cock +0.5mm)
F= 2.1mm
T= 3.8mm
1/17 jewels
f = 18000 A/h
power reserve 33h

Balance staff U2134 / U2133 / U2258
impulse jewel / impulse finger / tip pinions

Stem W2321

Mainspring / battery
1.15 x 13.0 x 0.135mm

Hands
0.28mm

Comments about the data

Remarks
pin-lever escapement
indirect minute, hand friction clutch on barrel (Roskopf type)
signed only as 866

family:
866: sweep second
866(CLD): sweep second, date
866(CLDD): sweep second, day, date
866(digital): sweep second, digital display
866(digital,CLD): sweep second, digital display, date
875: sub second

Example, year: signature; shock device
ca. 1980: BFG 866, Buler Watch Ltd., Swiss Made, 1 Jewel - BFG 866; Novodiac
(13.5''')

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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