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ruby

Ruby

Screwed [[chaton]] at a movement of\\ [[A. Lange & Söhne]] with red **ruby** (click to enlarge!)
Screwed chaton at a movement of
A. Lange & Söhne with red ruby

A ruby, in the case of wristwatches, is usually a synthetic ruby. It is used in watch movements as a low-friction cover or bearing stone, in which the pivot of a wheel turns.

More see Jewels.

ruby.txt · Last modified: 03.07.2022 15:37 by 127.0.0.1

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