Glossary

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Watch Material
Loose parts, components either for producing watches or for repairing them. In the latter case, they are often called «spare parts» or «repair material».

Water Resistant
Made to prevent water from entering. Water-resistant case, watch-case whose joints are made to prevent moisture from entering.

Winding
Operation consisting in tightening the mainspring of a watch. This can be done by hand (by means of the crown) or automatically (by means of a rotor, which is caused to swing by the movements of the wearer's arm).