Glossary of watchmaking - Fondation de la Haute Horlogerie

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Perpétuelle

Perpétuelle | ペルペチュエル | 自动表(Perpétuelle)

A term used by Breguet to refer to a self-winding watch.

Petite sonnerie

Petite sonnerie | プティットソヌリ | 小自鸣表

Watch that strikes the hours and quarters in passing without repeating the hours at each...

Piezoelectric

Piézo-électrique | ピエゾ効果／ピエゾコウカ | 压电性

The ability of certain crystals to generate a voltage in response to applied mechanical stress...

Pillar

Pilier | 柱／ハシラ | 支柱

In antique watches, small columns of various shapes (e.g. cylindrical, conical, baluster) that join...

Pin

Ardillon | ピン | 针销

An articulated metal catch that is inserted in a hole in the leather strap then secured by the...

Pinion

Pignon | カナ | 小齿轮

A watch part, generally with 6 to 14 leaves (teeth). The different parts of the pinion are the...

Pivot

Pivot | ホゾ | 枢轴

A part that runs in a fixed support (bearing).

Planing machine

Machine à raboter les dentures | 歯車加工機／ハグルマカコウキ | 龙门刨床

Until the end of the eighteenth century, watchmakers would plane teeth and leaves on wheels and...

Plating

Placage | メッキ | 镀层

A process whereby one metal is covered by another, usually more precious metal by means of...

Platinum

Platine (métal) | プラチナ | 铂

A heavy metal, greyish white, that is highly resistant to corrosion and difficult to work...

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