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date: set by changing 21:30-24h
11.5''', Dm= 25.6mm, Do= 26.0mm
f = 18000 A/h
power reserve 39h
Balance staff U2354 / U3145
balance with/without screws
Mainspring / battery
Zf696, 1.20 x 10.5 x 0.12 x 320mm
1.30 x 0.90 x 0.21mm
Comments about the data
differences not known between 72-4N, 725-4N
72, 72-6, 72-7, 721, 723, 725, 725-7: -
72-2: date mounted on plate
72-4, 725-4: date integrated in plate
72-9, 725-9: date, jumping
suffix N: minor modifications date
Example, year: signature; shock device
ca. 1955: Swiss, 21 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.
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