BREGUET NO. 1918 "MONTRE GARDE-TEMPS A TOURBILLON". AN EXCEPTIONAL AND HIGHLY IMPORTANT TWO-COLOUR 18K GOLD OPENFACE POCKET CHRONOMETER WITH FOUR MINUTE TOURBILLON, ECHAPPEMENT NATUREL, DOUBLE SUBSIDIARY SECONDS, POWER RESERVE, STOP-SECONDS FEATURE AND REGULATOR DIAL SIGNED BREGUET ET FILS, NO. 1918, CASE NO. 3061, SOLD ON 13 FEBRUARY 1822 TO MONSIEUR LE COMTE D'ARCHINTO FOR THE SUM OF 4,640 FRANCS Movement: cal. 24''' gilded brass movement with jewelling, semi-elliptical backplate, reverse fusée with maintaining power, échappement naturel, three arm bimetallic compensation balance with an oscillation rate of 21,600 vibrations per hour, blued steel balance spring with terminal curve, all mounted in the two-arm tourbillon cage driven from the second wheel pinion and revolving once every four minutes Dial: engine-turned silver regulator dial, outer dot minute and Arabic 15 minute divisions, small hour dial with Roman numerals on plain chapter ring, secret signature at 12, blued steel Breguet hands, elongated minute hand, two small subsidiary seconds dials flanking the hour dial, fan-shaped power reserve sector calibrated for 35 hours, applied plaque engraved “Regulator a Tourbillon” Case: two-colour gold engine turned ‘grains d’orge’, the back cover centred by the blue champlevé enamel arms of a Duke, the tourbillon carriage stopped by a lever in the bezel, allowing the precise setting of the time, 65.5 mm. diam., gold cuvette with an applied plaque engraved “Regulateur A Tourbillon / Par Brevet D’Invention” With: Breguet certificate No. 3528 dated 11 October 1977 and a later Breguet Morocco leather numbered presentation box
BREGUET NO. 1918 "MONTRE GARDE-TEMPS A TOURBILLON". AN EXCEPTIONAL AND HIGHLY IMPORTANT TWO-COLOUR 18K GOLD OPENFACE POCKET CHRONOMETER WITH FOUR MINUTE TOURBILLON, ECHAPPEMENT NATUREL, DOUBLE SUBSIDIARY SECONDS, POWER RESERVE, STOP-SECONDS FEATURE AND REGULATOR DIAL SIGNED BREGUET ET FILS, NO. 1918, CASE NO. 3061, SOLD ON 13 FEBRUARY 1822 TO MONSIEUR LE COMTE D'ARCHINTO FOR THE SUM OF 4,640 FRANCS Movement: cal. 24''' gilded brass movement with jewelling, semi-elliptical backplate, reverse fusée with maintaining power, échappement naturel, three arm bimetallic compensation balance with an oscillation rate of 21,600 vibrations per hour, blued steel balance spring with terminal curve, all mounted in the two-arm tourbillon cage driven from the second wheel pinion and revolving once every four minutes Dial: engine-turned silver regulator dial, outer dot minute and Arabic 15 minute divisions, small hour dial with Roman numerals on plain chapter ring, secret signature at 12, blued steel Breguet hands, elongated minute hand, two small subsidiary seconds dials flanking the hour dial, fan-shaped power reserve sector calibrated for 35 hours, applied plaque engraved “Regulator a Tourbillon” Case: two-colour gold engine turned ‘grains d’orge’, the back cover centred by the blue champlevé enamel arms of a Duke, the tourbillon carriage stopped by a lever in the bezel, allowing the precise setting of the time, 65.5 mm. diam., gold cuvette with an applied plaque engraved “Regulateur A Tourbillon / Par Brevet D’Invention” With: Breguet certificate No. 3528 dated 11 October 1977 and a later Breguet Morocco leather numbered presentation box
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