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Hans Troesch SA, Montres Altus SA, Bienne, Genève

1923: First known registration in Bienne (Biel) as manufacturer of cylinder- and lever ebauches.
1924: Registration in Bienne and Geneva.
1925: Registration in Geneva as Altus SA (without Troesch)
1973: Listed as Glycine & Altus SA, thus either merger or aquisition by Glycine.

Comments about the data

Only 4 calibres are known from this manufacturer: two round calibres 8.75''' and 10.5''' as well as two form calibres 6.5 x 11'''(Altus 4) and 8.75 x 12'''(Altus 10).
Complete watches were produced for the US importer Garland, strange regarding the prohibitive US customs regulations.
The two form calibres were apllied by A. Lange & Söhne.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft

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