Grande sonnerie (French, meaning 'grand strike') is a complication in a mechanical watch or clock which combines a quarter striking mechanism with a repeater. On the quarter-hour, it strikes the number of hours audibly on a gong, and then the number of quarter-hours since the hour on a second gong. In addition it can strike the hours on demand, at the push of a button. The term is sometimes used erroneously for a mere quarter striking mechanism.
It is more complex than the petite sonnerie, which merely strikes the hours on the hour and the quarter hours on the quarter, with no repeater function.
- "Grande Sonnerie". Glossary. Foundation de la Haute Horlogerie. Archived from the original on 2008-05-05. Retrieved 2008-04-20.
- "Striking watches". Encyclopaedia. Foundation de la Haute Horlogerie. Archived from the original on 2008-03-08. Retrieved 2008-04-20.
- Maillard, Pierre (April 13, 2006). "François-Paul Journe, sovereign timekeeping". Europa Star. Retrieved 2008-04-20.
- "Petite Sonnerie". Glossary. Foundation de la Haute Horlogerie. Retrieved 2008-04-20.[dead link]
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