Glossary of watchmaking - Fondation de la Haute Horlogerie

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Stippling (Spotting)

Perler (perlage) | ペルラージュ | 点刻法

A decorative finish of overlapping circles in a close-set concentric pattern that gives a...

Stone

Pierre | 石／イシ | 宝石

In watchmaking, a precious stone used as a bearing, endstone or pallet-stone, known internationally...

Stopwork

Arrêtage | 巻止め／マキドメ | 限紧装置

System that controls tension to the mainspring when wound. The best-known stopwork mechanism is the...

Strap

Bracelet | ストラップ | 表带

A means of attaching the watch around the wrist. A strap can be in gold, silver, steel, leather,...

Striking mechanism

Sonnerie | ストライキング機構／ストライキングキコウ | 报时装置

An acoustic device that automatically or on demand indicates the hour, and possibly quarter-hour...

Stud

Piton | ヒゲ持ち／ヒゲモチ | 摆轮螺栓

Pins the outer end of the spiral to the balance-cock either directly or using a mobile stud-holder.

Subsidiary seconds

Petite seconde | スモールセコンド | 非中心秒针

As opposed to centre or sweep seconds, a small subdial showing seconds, generally at 6 o'clock.

Sunray brushing

Décor brossé-soleil | サンバースト仕上げ／サンバーストシアゲ | 日晖纹效果

A pattern of imperceptible lines, like the sun's rays, intersecting at the same central point. It...

Sunrise and sunset

Lever et coucher du soleil | 日の出入り／ヒノデイリ | 日出与日落

Period between the rising and setting of the Sun. A 24-hour interval, determined by the Earth's...

Sweep seconds

Grande seconde | スウィープセコンド | 长秒针

Also called centre seconds. A seconds hand positioned at the centre of the main dial.

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