Hour and quarter repeater, mustache lever escapement
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Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Central seconds, regulateur dial, cylinder escapement
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
“Répétition à ponts, medium size, 19 lignes, pierced arbor, gold case no. 4068, half-quarter repeating, lever escapement,” sold on 16 March 1826 to Monsieur Spies. Monthly calendar and a secret compartment containing the portrait of a young woman.
Lever escapement, quarter and hour repeater, republican calendar.
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Sully's escapement
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Ruby lever escapement.
Movement with lever detent escapement invented by Robert Robin
Finished by son Pierre Le Roy, Sully escapement, calendar.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
Decimal watch with double time indication on a 24-hour basis, verge escapement.