Guillarmod Frères

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

Breguet n.1452

Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF

Anonymous, n. 4097

Anonymous watch with central and auxiliary dead seconds, chicane lever escapement

F.res Veigneur a Geneve

Tide indicator, enamelled dial, cylinder escapement.

Joseph Feune, Delemont Swiss

Escapement “pallet pin weel”

Breguet, n.4742.

Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.

Louis Berthoud n.168

Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.

Breguet, n.441 (nouvelle series)

“Chronometre de poche” with modified Earnshaw detent escapement, sold to Monsieur Hottinguer (banker of the Maison Breguet), on 11 October 1844 for 1,500 FF.

Lemarie, Paris.

Orologio a secondi morti con scappamento a virgola

Hubert Sarton n. 5019

Cylinder escapement

Lefevre a Paris

Detent Lever escapement invented by Robert Robin. Restored by Breguet.

Anonymous French

Dead-beat seconds watch with double-wheel duplex escapement.

Duval fecit à Roùen

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

Robin a Paris (Jean Joseph) n.599

Verge escapement

Chemisard à Bordeaux n. 2.500

Side lever experimental escapement