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Fig. 1

Cortebert 665

manual wind
sub second
option: sweep second

10.5''', Dm= 23.3mm
H= 3.7mm
(sub second)
15/17 jewels
f = 18000 A/h
power reserve 37h

Balance staff U805

Stem W830

Mainspring / battery
Zf1306, 1.60 x 8.5 x 0.09 x 280mm

1.20 x 0.55 / 0.16mm
(sub second)
1.25 x 0.65 x 0.2mm
(sweep second)

Comments about the data

For the here mentioned staff and stem single dimensions differ just 1/100mm from the other family members. Many registers list the same parts also for this calibre.

571, 673: 10.5'''
573, 581, 663: 9.75'''
661: 9.75''', differing bridge layout
575: 10.5''', higher
577: 9.75''', higher
583: 10.5''', higher, bigger barrel
665: 10.5''', Option sweep second

Example, year: signature; shock device
ca. 1950: Cortebert, 15 Rubis; 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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