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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

Longines 340

Features
automatic
sweep second

Data
12''', Dm= 27.0mm
H= 4.55mm
17 jewels (without ball bearing)
f = 19800 A/h
power reserve 43h

Balance staff U2877

Stem W2913

Hands
1.60 x 1.00 x 0.20mm

Comments about the data

Remarks
1960-
ball-bearing rotor with peripheral gear out of center,
optionally, probably always with 5 ruby balls (not included in jewel number, cf. Longines 345)
rather large balance
ratchet on dial side, crown mechanism with rocker bar

family/generations:
respectively
1. two-section base plate
2. one-section base plate
3. date redesigned
340, 342: sweep second
341, 343, 345: sweep second, date
350, 352: sub second
351, 353, 355: sub second, date

Example, year: signature; shock device
1-2) 1962: 11999182, LXW, Longines Automatic, Swiss, 17 Jewels - 340, Longines; Kif-Flector
3) 1962: 11989570, LXW, Longines Automatic Grand Prize, Longines Watch Co Swiss, 17 Jewels; Kif-Flector

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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