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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Landeron 19''' (=Alpina 19'''H6.8)

stem wind and pin set
sub second

19''', Dm= 42.6mm, Do= 43.8mm
H= 6.8mm
15 jewels
f = 18000 A/h

Comments about the data

open face calibre
bimetallic screw balance, Breguet hairspring
lever with hidden pallets and counter weight (moustache lever)
barrel with Geneva stopwork
As the Landeron signature is overwritten, the ebauche came likely from Landeron, and was finished by Straub (Alpina). However, this is not sure, and therefore this calibre is listed preliminary as both, Alpina and Landeron.

Example, year: signature; shock device
ca. 1895: Albert Mayer, Chemnitz - 50862
under 3/4 plate: 50862, Hahn Landeron (overwritten, Fig.3), trademark J. Straub (Fig.4)

© E. Preuß

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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