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13''', Dm= 29.3mm
f = 17280 A/h
power reserve 35h
Balance staff U1379 / U1362 / U1328
balance with impuls pin/finger/pointed staff
Mainspring / battery
1.50 x 16.0 x 0.16mm
1.99 x 1.42mm
Comments about the data
indirect minute, hand friction clutch on barrel (Roskopf type)
666: without second
670: second, with/without date
677, 680: second start/stop
Example, year: signature; shock device
ca. 1950: Swiss Made
(Baumgartner 677 with stop feature)
© B. Schulz, shop-wittlich.de
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.
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