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6.75''', Dm= 15.3mm, Do= 15.55mm
f = 18000 A/h
power reserve 45h
Balance staff U2933
Mainspring / battery
1.50 x 6.0 x 0.06mm
1.20 x 0.60mm
Comments about the data
indirect minute, hand friction clutch on barrel (Roskopf type)
The accordingly free space in the center is not only used for a big barrel, but also for a big balance.
early samples with fixed, late with mobile stud carrier
separate hand-gear bridge
4062: 18000 A/h
4162: 21600 A/h
setting-lever spring as bridge
4072: 18000 A/h
4172: 21600 A/h
4177: 36000 A/h
Example, year: signature; shock device
ca.1960: Swiss, 17 Jewels - TD; 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.
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