Lesouëf, Jean-Luc; Schmitt, Ingrid (1999). Wristwatches, Armbanduhren, Montres-bracelets. Köln, Germany: Könemann im Tandem. ISBN 978-382900660-6. OCLC 716528869...
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Watch Company (PDF). Tissot. ISBN 2-940333-00-9. "A LOOK BACK AT TISSOT." Montres Publiques, 07/26/2021, https://montrespubliques.com/new-1minute-reads/...
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conducted by the independent Bureaux officiels de contrôle de la marche des montres (B.O.s) established between 1877 and 1956. Between 1961 and 1973, “a chronometer...
23 KB (2,628 words) - 07:19, 6 November 2023