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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Junghans 651.10 (ETA 2451)

Features
automatic
sweep second

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.3mm
F= 1.4mm
T= 1.85mm
17 jewels
f = 18000 A/h
power reserve 42h

Balance staff U2950

Stem W3141

Mainspring / battery
Zf869, 1.30 x 9.5 x 0.105 x 300mm

Hands
1.50 x 0.90 x 0.21mm

Comments about the data

Remarks
1963-1973
balance staff and stem differing from ETA

family:
651.00: 21 jewels
651.02: 21 jewels, date
651.10: 17 jewels
651.12: 17 jewels, date
651.13: same, but raised hands

Example, year: signature; shock device
1965: ETA 2451, Junghans 651 - Patented; Junghans-II
(Junghans 651.00)

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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