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

PUW 500

Features
manual wind
sub second

Data
8.75 x 12''', Dm=Do= 19.9 x 26.45mm
(rests on corners)
H= 4.1mm
F= 0.5mm
T= 1.9mm
15 jewels
f = 18000 A/h
power reserve 43h

Balance staff U366, U367

Stem
W310 (short for fancy cases)
W1099(long for round cases)

Mainspring / battery
Zf781, 1.25 x 10.0 x 0.12 x 290mm

Hands
1.25 x 0.65 / 0.18mm

Comments about the data

Remarks
1933-1958 (all generations)
first calibre of PUW (Pforzheimer Uhren-Werke, Germany)
In some registers all generations of this calibre are listed as PUW 500, often without mentioning the differences. In others there are two generations of the PUW 8.75x12''' and two of the PUW 500. Here also is distinguished between these 4 generations, because not all parts are interchangable between them.

family/generations:
Tonneau:
8.75x12''': first generation
8.75x12''' new: stem and setting-lever spring new
500: setting-lever spring new
500 new: many details commom with PUW 501
oval:
501: -

Example, year: signature; shock device
ca. 1945: - PUW

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
.