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View picture in original size
Fig. 1

LeCoultre 413

manual wind
sub second

8 x 11''', Dm=Do= 17.85 x 24.55mm
(rests on corners)
H= 3.9mm
17 jewels
f = 18000 A/h

Balance staff U1261 / U2095
(balance collet 0.8/0.7mm)

Stem W1053

Mainspring / battery
1.05 x 9.5 x 0.1025 x 345mm

1.10 x 0.60 / 0.15mm

Comments about the data

This calibere was made with varying heights over a long periode, and passed several designation systems.
So designations exist which are not yet listed here.

base calibre H= 3.35mm:
410: sub second
411: sweep second
412: sub second, date
base calibre H= 3.5mm:
11LO, 424, 438: sub second
437: sweep second
436, 486, 806: sub second, date
base calibre H= 3.9mm:
413: sub second

Example, year: signature; shock device
ca. 1935: 128905, VXN, Jaeger-LeCoultre, Swiss

© lottemann

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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