This rare and beguiling French Regulator clock by Brosse of Bordeaux is a work of exceptional design. This clock features a detent escapement, believed to be more consistent than any other escapement, which contributes to the noteworthy accuracy of this mechanism. This power system is highly unusual even today. This clock is among the first known as a "Regulator," which was not widely produced until much later, at the turn of the 20th century. The Regulator clock was considered to be one of the main causes of the demise of the Dutch clock industry.

Designed to hold a place of honor, the intricate weight-driven mechanism sits upon a Carrera marble sarcophagus base supported by reeded ormolu pillars. A steel frame supports the orm