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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Lip R23G

Features
manual wind
sweep second

Data
10.5''', Dm= 23.25mm, Do= 24.1mm
H= 4.35mm
(winding gear +0.05mm)
F= 1.4mm
T= 2.3mm
17 jewels
f = 21600 A/h
power reserve 47h

Balance staff U2728

Stem W2396

Mainspring / battery
1.50 x 9.0 x 0.11 x 300mm

Hands
1.30 x 0.85 x 0.23mm

Comments about the data

Remarks
differences not known between R23D, R23E, R23F, R23G

family/generations:
screw balance, Breguet hairspring:
R23, R23A, R23B: 18000 A/h
R23-1: 18000 A/h, date
ring balance, flat hairspring:
R23C: 18000 A/h
R23D, R23E, R23F, R23G: 21600 A/h

Example, year: signature; shock device
ca. 1960: -Lip- R23.C; Incabloc
(Lip R23C, 18000 A/h)

© Vintage1982 (WUS forum, Horlogeforum.nl)

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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