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|Junghans 660.70 (ETA 2440)|
6''', Dm= 13.5mm, Do= 13.75mm
f = 18000 A/h
power reserve 41h
Balance staff U2753
Mainspring / battery
1.43 x 5.5 x 0.0625 x 201mm
1.00 x 0.50mm
Comments about the data
regulator, balance bearings from Junghans
indirectly driven minute allows a very big balance
660.70: 18000 A/h
661.00: 21600 A/h
Example, year: signature; shock device
ca. 1965: 2442, J 661 - Patented; Trishock
(Junghans 661.00, 21600 A/h)
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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