Anonymous (CFB.)

Andrè Mery n.502

Movement with lever detent escapement invented by Robert Robin

Hauchar n.104-2649

“Montre simple” in the style of Breguet.

Chemisard à Bordeaux n.5138 an 1807

Martin-Pouzait lever escapement

Robert Robin a Paris n.522

Hour and quarter repeater, cylinder escapement, hunting case.

Attribuited to Sylvain Mairet n.2241

Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.

Robin a Paris n.22940

Small sized watch, cylinder escapement, enamelled case

Attributable to Albert H. Potter

Chronometer with patented detent escapement.

Breguet et Fils, n.610

Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF

Breguet, n.1782

“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.

Andrè Hessen a Paris

Weekly winding device, monthly calendar, with comma escapement

Anonymous, signed Breguet, n. 214

“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017

Antoine Tavan

Movement with experimental lateral lever escapement in the Robin style.

Annual calendar with manual equation of time, thermometer (Bongrand system)

Duval fecit à Frèvillè

George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.

Theodore Leroy horloger du Roi n.10792

Reverse hour-quarter repeater (pull)