Pink Pages
for Timepieces
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 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

HB 313

sweep second
date: set by changing 20:40-24h

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.2mm
F= 1.4mm
T= 1.9mm
25 jewels
f = 18000 A/h
power reserve 39h

Balance staff U2351

Stem W2406

Mainspring / battery
1.20 x 9.5 x 0.11mm

1.50 x 0.90 x 0.19mm

Comments about the data

early samples with fixed stud carrier (Fig.1)
late samples with mobile stud carrier and pierced balance cock (Fig.4)

110: manual wind, 10.5'''
111: manual wind
112: automatic
113: automatic, date
114: manual wind, date
revision date:
213: automatic, date
214: manual wind, date
revision automatic, date:
312: automatic
313: automatic, date (option digital)
314: manual wind, date
minor detail modifications:
411: manual wind
412: automatic
413: automatic, date (option digital)
414: manual wind, date (option digital)

Example, year: signature; shock device
1-3) ca. 1965: Ultramatic, 25 Jewels; Ruby-Shock
4-6) ca. 1970: Ultramatic, 25 Jewels; Rufa-Anti-Shock

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
Poststr. 32a
26388 Wilhelmshaven
phone +49 (0)4423 9849691

email: info@ranfft.de