D
Dead seconds
デッドセコンド
跳秒
Dead seconds
Seconde morte
Glossary
Thematic
Display, Technic
A hand that jumps forward when the second has elapsed. Breguet used the expression seconde d'un coup or \sudden second\".
Generally the jump of a hand is a distinctive feature of a quartz watch. In mechanical watchmaking this \"function\" is a technical feat.
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