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  UKŁ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

Bulla 19'''

Features
stem wind and set
sub second

Data
19''', Dm= 42.45mm, Do= 43.05mm
H= 4.7mm
F= 0.6mm
T= 1.8mm
15 jewels
f = 18000 A/h
power-reserve 28h

Hands
2.00 x 1.04 / 0.30mm

Comments about the data

Remarks
hunter or open face calibre
bimetallic screw balance
Breguet hairspring
In popular movment catalogs only few Bulla calibres up to 13''' are listed, occasionally under the brands E.J., Juillard, or Emile Juillard

Example, year: signature; shock device
ca. 1930: Bulla - 256

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
.