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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Unitas 148

Features
manual wind
sub second

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.05mm
F= 0.4mm
T= 2.0mm
15 jewels
f = 18000 A/h
power reserve 37h

Balance staff U585 / U1908
(L= 3.44 / 3.6mm)

Stem W1259

Mainspring / battery
Zf1211, 1.50 x 9.0 x 0.10 x 290mm

Hands
1.30 x 0.65 / 0.21mm

Comments about the data

Remarks
varying bridge shapes (cf. other calibres of the family)
differences not known between 148, 150-152, 154, 156-158, 160, 165

family:
148: sub second
159: sweep second
152A: digital display

Example, year: signature; shock device
ca. 1940: Arsa, 15 Rubis
(Unitas 150)

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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