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View picture in original size
Fig. 1

Omega 861 (Lemania 1873)

Features
manual-wind chronograph, 60s, 30min, 12h, cam switched
sub second

Data
12''', Dm= 27.0mm
H= 6.87mm
17 jewels
f = 21600 A/h
power reserve 40h

Balance staff U3245

Comments about the data

Remarks
1968- , 500000 (1968-1996)
1968-1992 pink gold plated
1992-1996 yellow gold plated
1996-today rhodium plated

family:
860: 17 jewels, base calibre
861: 17 Steine, 12h counter
862: 21 jewels, 12h counter
863: like 862, jubilee edition
864: like 862, jubilee chronometer
865: like 860, only 60s-counter
866: like 861, date, moon phase
867: like 862, jubilee chronometer, skelettonized
910: like 861, 2nd time zone, 24h display
911: like 861, 2nd time zone
920: like 860, only 60s-counter, date
930: like 860, date

Example, year: signature; shock device
1971: 31005939, Omega Swiss, 17 Jewels; Incabloc

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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