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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Longines 10.86N

stem wind and set
sub second

10''', Dm= 22.5mm, Do= 22.9mm
H= 3.6mm
15/16 jewels
f = 18000 A/h
power reserve 30h

Balance staff U562

Stem W2610 / W83
group 2/3

Mainspring / battery
1.15 x 8.5 x 0.10 x 250mm

1.05 x 0.55 / 0.18mm

Comments about the data

hunter calibre
bimetallic screw balance
group 2: Breguet hairspring
group 3: flat hairspring, setting lever and joke modified (both together between groups interchangable)

H= 4.0mm:
10.85: open face calibre
10.86: hunter calibre
H= 3.6mm:
10.85N: open face calibre
10.86N: hunter calibre

Example, year: signature; shock device
1-2) 1922: 4005843, Longines - 4005843, Longines
(group 2, 16 jewels)
3-4) 1928: 4708383, Longines Watch Co., 15 Jewels - 4708383, Longines
(group 3, 15 jewels)

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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