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View picture in original size
Fig. 1

View picture in original size
Fig. 2

AHS 75

manual wind
sweep second
date: set by +/-24h

10.5''', Dm= 23.7mm, Do= 24.35mm
H= 5.8mm
F= 1.3mm
T= 3.0mm
17 jewels
f = 18000 A/h
power-reserve 39h

Balance staff U2238 / U2609
balance collet 0.6 / 0.7mm

Stem W2238

Mainspring / battery
Zf1391, 1.70 x 9.0 x 0.12 x 240mm

1.50 x 0.90 x 0.21mm

Comments about the data

pin-lever escapement
ratchet on dial side, crown mechanism with rocker bar
differences not known between 70(CLD), 75

70, 72: manual wind, sub second
70(SC): manual wind, sweep second
70(CLD), 75: manual wind, sweep second, date
152: manual wind, sub second
152(SC), 153: manual wind, sweep second
152(CLD): manual wind, sweep second, date
154: automatic, sweep second
154(CLD): automatic, sweep second, date

Example, year: signature; shock device
ca. 1955: K90, AHS 70, 17 Jewels; Rufarex
(AHS 70(CLD))

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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