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      12-24-2018, 01:07 PM   #2
ScottSinger
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Drives: M235i 6spd
Join Date: Dec 2013
Location: Mid-Atlantic

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Timezone.com is very good.

Then watch manufacturer websites, Patek Philippe site is very good, glossary and might as well familiarize yourself with the best. Patek glossary https://www.patek.com/en/glossary

YouTube has some great old animations on how a simple mechanical watch works