A Celebration of Breguet’s 250th Anniversary

14.5’’’ gilded movement, large mainspring barrel, double wheel duplex escapement with ruby impulse pallets and ruby resting roller, bi-metallic compensation balance with 22 platinum screws, parachute suspension on both pivots, flat blued steel balance spring, polished steel hammer striking smaller intermediary hammer to repeat on coiled gong, repeating racks, calendar work and blued steel regulation extension arm mounted to bottom plate, bottom plate numbered 4730 (4 obscured)

14.5’’’ gilded movement, large mainspring barrel, double wheel duplex escapement with ruby impulse pallets and ruby resting roller, bi-metallic compensation balance with 22 platinum screws, parachute suspension on both pivots, flat blued steel balance spring, polished steel hammer striking smaller intermediary hammer to repeat on coiled gong, repeating racks, calendar work and blued steel regulation extension arm mounted to bottom plate, bottom plate numbered 4730 (4 obscured) silvered dial, vertical Roman numerals, outer minute ring, two recessed subsidiary dials for date and day advancing counterclockwise, aperture for regulation between, aperture for moon phases above 6 o’clock, gold Breguet hands, signed and numbered Breguet Neveu et Cnie 20ct gold Joly case, case back, bezel and band engine-turned à grains d’orge, small monogrammed cartouche to centre engraved NR, quarter-turn piston for repeat between 1 and 2 o'clock, slide between 10 and 11 o’clock for revealing female winding square to case back, recessed pushers to band for calendar/moon adjustment marked M, L, S, plain ring pendant, case back numbered 4730 B and 685, case maker’s mark LJ with a bird and pellet in lozenge cartouche for Joly, Paris assay Pegasus 2 in hexagonal cartouche (2nd standard gold 840/1000, 1819-1838), pendant with Paris ox head assay mark in circular cartouche (1822-1838) Measurements diameter 36.5mm depth 7.5mm weight 34.7g Accompaniments With Breguet certificate no. 4428 and a double-ended male/female Breguet ratchet key and a Breguet 250th anniversary certificate

View 1 of Lot 25: An exceptionally rare and very fine and small 20ct gold open-faced half-quarter repeating calendar watch with moon phases and double wheel duplex escapement 

an exceptionally rare and very fine and small 20ct gold open-faced half-quarter repeating calendar watch with moon phases and double wheel duplex escapement

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