HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UK£ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

View picture in original size
Fig. 4

View picture in original size
Fig. 5

View picture in original size
Fig. 6

View picture in original size
Fig. 7

View picture in original size
Fig. 8

Revue 30 open face

Features
stem wind and set
sub second

Data
19''', Dm= 42.2mm, Do= 43.0mm
H= 5.6mm
F= 0.55mm
T= 2.2mm
7/15/16 jewels
f = 18000 A/h
power reserve 32h

Balance staff U253, Ronda 2104
balance collet 1.45mm
Ronda lists also the Ronda 68 with 1.25mm, but this is likely so easy to get because nobody needs it.

Stem W244

Mainspring / battery
Zf3501, 2.05 x 16.5 x 0.19 x 500mm

Hands
1.78 x 1.09 / 0.26mm

Comments about the data

Remarks
open face calibre
different bridge shapes
lever cock and banking pins (Fig.1) or lever bridge with fixed banking (Fig.3)
options:
Breguet hairspring
bimetallic screw balance (Fig.7)
Reed's regulator (Fig.3)
cam disc regulator (Fig.7)

Example, year: signature; shock device
1-2) ca. 1910: Revue, GT (Gédéon Thommen) - 4 99
3-4) ca. 1920: Revue, GT (Gédéon Thommen) - 341, GT
5-6) ca. 1920: Revue, GT (Gédéon Thommen), A, Importé de Suisse - GT
7-8) ca. 1920: Sola, GT (Gédéon Thommen) - 78

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


bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Erkelenzer Str. 98
41844 Wegberg
Germany
phone +49 (0)2434 6034670

email: info@ranfft.de
.