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Fig. 1

View picture in original size
Fig. 2

Junghans 623.01

manual wind
sweep second

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.9mm
F= 1.3mm
T= 1.7mm
17 jewels
f = 21600 A/h
power reserve 41h

Balance staff U3194

Mainspring / battery
Zf607, 1.15 x 10.5 x 0.12 x 320mm

1.50 x 0.90 x 0.21mm

Comments about the data

combined settings for 3rd and escape wheel

last mechanical family from Junghans:
manual wind:
620.00: 15 jewels
620.01: 17 jewels
623.05: 15 jewels, Economic
623.20: 15 jewels, date quickset
623.21: 17 jewels, date quickset
623.25: 15 jewels, date, Economic
623.62: features unknown
625.00: -
625.20: date Schnellschaltung
625.21: day, date Schnellschaltung
625.25: date, Economic
625.01: features unknown

Example, year: signature; shock device
1976: A76, Junghans, 623.01, Made in Germany; Star-Shock

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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