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View picture in original size
Fig. 1

Cortebert 616

Features
stem wind and set
sub second

Data
16''', Dm= 36.0mm
H= 4.7mm
17 jewels
f = 18000 A/h

Balance staff U938

Stem W1436

Mainspring / battery
2.00 x 13.5 x 0.14mm

Hands
1.87 x 1.10mm

Comments about the data

Remarks
open face calibre
Breguet hairspring
differences not known between 616, 618
618 is probably a variant especially made for Rolex/Panerai

family:
616, 618: open face, 16''', H= 4.7mm
617: hunter, 16''', H= 4.7mm
620: open face, 16''', H= 3.6mm
622: hunter, 16''', H= 3.6mm
624: open face, 17''', H= 3.6mm

Example, year: signature; shock device
ca. 1945: Rolex, Fab. Suisse, 17 Jewels
(Rolex 5513, Cortebert 618)

© J. zur Horst
CHRONOMETRIE ZUR HORST

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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