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Breguet, No. 217 “montre perpétuelle à répétition à quantième...

  • CHE
  • 2016-05-16
Om objektet
Breguet, No. 217 “montre perpétuelle à répétition à quantième de mois et dates et équation, échappement libre à ancre”. An exceptional and historically important, probably unique 18K gold self-winding à toc quarter repeating lever watch with sectoral equation of time, day and month calendar and sectoral power-reserve indication, constructed on the principals of the garde-temps, in a Desoutter gold tooled red morocco fitted box No. 217

Signed Breguet et Fils, sold in Germinal an 8 (1800) to Général Moreau for the sum of 3,600 Francs, resold to Mr. Havas on 31st December 1817 for 4,800 Francs

Gilded brass movement with two mainspring barrels, early jewelled lever escapement with steel lever and pallet frame, brass escape wheel, four arm compensation balance supporting two compensating affixes with adjustable weights on screws at the free ends, platinum shield-shaped oscillating weight, blued steel helical balance spring with terminal curves and screw stud, parachute suspension, equation of time cam mounted on the month calendar wheel, à toc quarter repeating with one hammer onto the case, weight lock and advance/retard levers in the band, engine-turned silver dial, Roman numerals on plain chapter ring, outer dot minute divisions, gold Breguet hands, two fan-shaped sectors for 60-hours power reserve and equation of time calibrated from +15 to -15 minutes, large subsidiary seconds concentric to the month ring, aperture for the date with gold arrow pointer, circular polished case with concealed hinge, back secured by two screws in the band, quarter repeating pull-twist push-piece in the pendant, dial signed Breguet et Fils, the reverse punched B 217 T for Tavernier, dial plate edge signed Breguet No. 217, case No. B 217.

55 mm. diam.

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