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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Cortebert 491

Features
stem wind and set
sub second

Data
16''', Dm= 35.45mm, Do= 36.0mm
H= 4.7mm
F= 0.7mm
T= 2.0mm
15 jewels
f = 18000 A/h
power reserve 31h

Balance staff U207

Stem W1411

Mainspring / battery
Zf3386, 1.90 x 14.0 x 0.18 x 390mm

Hands
1.95 x 1.12 / 0.25mm

Comments about the data

Remarks
hunter calibre
differences not known between 489, 491, 515

family:
488, 490, 492, 514: open face
489, 491, 515: hunter

Example, year: signature; shock device
ca. 1925: - 556 92, Cortebert *
(Cortebert 489)

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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