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View picture in original size
Fig. 1

AS 1871

manual wind
sweep second
date: quickset by repeated pushing the crown

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.15mm
F= 1.2mm
T= 1.8mm
17 jewels
f = 21600 A/h
power reserve 46h

Balance staff U3113 / U3431
balance collet 0.9 / 0.8mm

Stem W3335

Mainspring / battery
1.00 x 10.5 x 0.12mm

1.50 x 0.90 x 0.20mm

Comments about the data

indirectly driven minute allows a big balance and low profile

18000 / 21600A/h (quick-set) respectively:
1714 / 1860 : manual
1715(1838)/1861(1871): manual, date
1819(1830)/1865(1875): manual, day/date
1716 / 1862 : auto
1717(1839)/1863(1873): auto, date
1820(1831)/1866(1876): auto, day/date

Example, year: signature; shock device
1972: Mido, Swiss, Cal.001147-2NCD, 21.600 A/h, 17 Jewels; Incabloc
(Mido 001147-2NCD)

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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