“Resilient lever” lever escapement modified by Mortimer George Cole.
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“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
Martin-Pouzait lever escapement
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
“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.
Calendar movement with dead seconds and special cylinder escapement.
Ruby lever escapement.
Decimal watch with virgule escapement, power reserve, jumping hours and barometer, center seconds n.4737 belonging to Antoine Louis Leon de Saint-Just.
‘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”.
Watch for the Turkish market, quarter-hour repeater with ruby cylinder escapement, shipped to the Maison de Russie on 23 April 1810 and sold by Moreau on 31 December 1810 for FF 1,680.
“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.
Reverse hour-quarter repeater (pull)
First generation early straight line lever escapement
“Montre de souscription” with double wheel duplex escapement
Robin's lever detent escapement of special shape
Navigation chronometer with sidereal time indication.