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

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

View picture in original size
Fig. 9

Felsa 690 Bidynator

Features
automatic
sweep second

Data
11.5''', Dm= 26.0mm, Do= 26.3mm
H= 5.85mm
F= 1.6mm
T= 2.1mm
17/18/21/25 jewels
f = 18000 A/h
power reserve 44h

Balance staff U1479

Stem W1182

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
1942-
first calibre family (series 690...699) with bidirectional rotor winding (Fig.9)
option: Reed's regulator (Fig.4, 5)
differences not known between 690, 691, 696, 698

family:
690,691,696,698: base
692: date
692N: date, 24h hand
693: calendar
694: date, pusher
695: sub second
697: day, date
699: power reserve display

Example, year: signature; shock device
1-3) ca. 1945: LOE, Glycine Watch Co, Bidynator Patented, Swiss, 17 Jewels - Felsa 690, Patented +, USA, DRP; Incabloc
4) ca. 1945: Bidynator Patented, Swiss Made, 17 Jewels - Patented +, USA, DRP; Incabloc
5) ca. 1950: Buttes Watch Co (BWC), Bidynator Patented, Swiss, 21 Jewels; Incabloc
6-9) ca. 1955: Eldor Geneve, Bidynator Patented - Patented +, USA, DRP; Incabloc
(25 jewels)

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
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.