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

Felsa 4017N

Features
manual wind
sweep second
date: set by changing 21-24h

Data
11.5''', Dm= 26.0mm, Do= 26.3mm
H= 3.6mm
F= 1.6mm
T= 1.9mm
17/21 jewels
f = 18000 A/h
power reserve 47h

Balance staff U2531 / U3122
balance with/without screws

Stem W2579

Mainspring / battery
Zf1044, 1.40 x 10.5 x 0.11 x 350mm

Hands
1.50 x 0.90 x 0.20mm

Comments about the data

Remarks

family/generations:
automatic / manual-wind respectively
4000, 4005 / 4010, 4015: -
4002, 4003 / 4012, 4013: date
4006 / 4016: day date
automatic modified:
4000N, 4005N / 4010N, 4015N: -
4004 / 4014: date
4007 / 4017: date (setting 21-24h)
date assembly modified:
4007N / 4017N: date
4008 / 4018: day, date
day/date assembly modified:
4009 / 4019: day, date

Example, year: signature; shock device
ca. 1960: Swiss Made, 17 Jewels - OB; Incabloc

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
.