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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Cyma 776

Features
stem wind and set
sub second

Data
17''', Dm= 38.2mm, Do= 38.7mm
H= 5.05mm
H= 5.0mm (regulator +0.15mm)
F= 0.5mm
T= 1.9mm
15 jewels
f = 18000 A/h
power reserve 34h

Balance staff U989

Stem W1755

Mainspring / battery
Zf3308, 1.80 x 15.0 x 0.18 x 450mm

Hands
1.75 x 1.10 / 0.22mm

Comments about the data

Remarks
hunter calibre
Breguet hairspring
except jewel count differences not known between 736, 776

family/generations:
hunter / open face (old designation) respectively
H= 3.85mm:
704,706 / 705,707 (17'''30): 3 train cocks
784,786 / 785,787 (17'''18): 1 train cock
796 / 797: bigger barrel
H= 5.05mm:
764,766 / 765,767 (17'''6): 3 train cocks
768 / 769: 3 train cocks, negative stem mechanism
734,774 / 735,775 (17'''7): 2 train cocks
736,776 / 737,777 (17'''7): 1 train cock
778 / 779: 1 train cock, negative stem mechanism

Example, year: signature; shock device
ca. 1925: Cyma**, Ref. 776, Adjusted, 15 Jewels - 46932, Brevets +

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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