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Fig. 6

Felsa 4009

Features
automatic
sweep second
day: set by +/-24h
date: set by changing 21:15-24h

Data
11.5''', Dm= 26.0mm, Do= 26.3mm
H= 6.3mm
(dial spacers, 3 screws heads +0.05mm)
F= 2.3mm
T= 2.6mm
17/21/25 jewels
f = 18000 A/h
power reserve 44h

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
1-3) ca. 1965: HBE, Arnex Time Co, Swiss, 17 Jewels; Incabloc
4-6) ca. 1970: MB, Swiss Made, 25 Jewels; 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


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