Attributable to Albert H. Potter

Breguet, n.1583

Built on the principle of “garde temps”, quarter and half quarter hour repeater with double wheel duplex escapement sold to Monsieur Egerston (Egerton) on 17 December 1813 for 3,000 FF .

Charles Mairet, n. 228

Dead seconds watch with lever escapement by Pouzait

David Louis Huguenin Neuchatel, n.397

Dead seconds watch with detent escapement

Janvier fils à Paris en 1805

First generation French lever escapement movement

Duval fecit à Roùen

Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.

Joseph Arnould a Nancy n.1737

Quarter hour repeater by touch with special cylinder escapement.

Girard Rue de la Pompe n.41 Versailles

Duplex double wheel escapement, monthly republican calendar.

Anonymous decimal French Revolution

Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case

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.

Hilaire Bassereau n.761

Robin style movement with cylinder escapement.

Robin a Paris (Jean Joseph),

Monthly and week calendar, with central seconds, verge escapement.

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

Breguet et Fils n.3773

Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829

Guillarmod Frères

Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.

Attribuited to Sylvain Mairet n.7923 SF

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