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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Kasper 750

manual wind
sweep second

10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.35mm
F= 1.35mm
T= 1.6mm
17 jewels
f = 18000 A/h
power-reserve 45h

Balance staff U1999 / U2651
rivet-/friction fit

Stem W2197

Mainspring / battery
Zf1214, 1.50 x 9.0 x 0.105 x 270mm

1.40 x 0.80 x 0.24mm

Comments about the data

unusual: crown mechanism with rocker bar, but ratchet on back side and functionless crown wheel
option: ratchet on dial side

rocker-bar winding:
700: without setting-lever spring
750: with setting-lever spring, ratchet on top or bottom
800: with setting-lever spring, ratchet on bridge side
clutch winding:
900: -
950: date
minor modifications base plate
901: -
951: date
952: 13''', date

Example, year: signature; shock device
ca. 1955: O, Dugna 558 - Kasper; Monorex

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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