Image: Hebdomas 8 day pocket watch
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Description: Hebdomas eight day pocket watch, circa 1920. Musée d'Horlogerie of Le Locle (Switzerland). The name of the model 'Hebdomas' was a trademark registered in 1906. Maker Schild & Cie, La Chaux-de-Fonds (Switzerland). Swiss patent by Irénée Aubry, CH88A, 10 January 1889 and certificate of addition CH2E, 21 January 1889 when it was added the famous balance bridge visible.
Title: Hebdomas 8 day pocket watch
Credit: Own work
Author: Jafd88
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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