Hier finden SieUhrenliteratur / Bücher besonders zum Thema “Armbanduhren reparieren, warten und pflegen”
Witschi Basic Course - english
Corse content: Mechanical watches: main components of mechanucal watches and their characteristics, measuring signals from mechanical watches. Water resistance: standart ISO 2281, test methods, main reasons for faulty water resistance.....and more....!
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