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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Arogno 128

Features
manual wind
sub second

Data
11.5''', Dm= 25.6mm
H= 4.15mm
F= 0.8mm
T= 1.9mm
15/17 jewels
f = 18000 A/h
power reserve 39h

Balance staff U1978 / U3134
balance wit/without screws

Stem W2248

Mainspring / battery
Zf1389, 1.70 x 9.0 x 0.10 x 290mm

Hands
1.30 x 0.70 / 0.20mm

Comments about the data

Remarks
unusual: ratchet on dial side, crown mechanism with rocker bar

family/generations:
120, 121: 10.5'''
122: 10.5''', bevelled edges
modified winding assembly:
125: 10.5'''
128: 11.5'''

Example, year: signature; shock device
ca. 1945: Swiss Made, 15 Jewels
(Arogno 120, 10.5''')

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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