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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Felsa 410 Bidynator

Features
automatic
sub second

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

Balance staff U1479

Stem W1182

Mainspring / battery
Zf1142, 1.45 x 10.0 x 0.11 x 320mm

Hands
1.50 x 0.90 x 0.20mm

Comments about the data

Remarks
1942
first calibre with bidirectional rotor winding, pilot series for the family 690...699 with almost the same base-plate, even samples with caledar corresponding the 693 are known,

family:
410: sub second
415: sweep second

Example, year: signature; shock device
1942: VOS, Jenco Watch Ltd., Bidynator Patented - Patented +, USA, DRP; Incabloc
(Felsa 415)

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


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