Ovo remek delo je bilo naručeno za kraljicu Francuske. Sat je bio naručen 1783. godine a njegova izrada je bila završena 1827 godine, dakle, nakon 44 godine. Sam sat je imao sve moguće komplikacije poznate za to vreme,kao što su indikator rezerve snage, večiti kalendar, 'padobran' anti-šok mehanizam, itd.
A work of art
It took a full forty-four years to complete the watch, proof indeed that it is a work of art. This stunning piece features the greatest watchmaking complications known at that time. One of Breguet’s perpétuelles, the Marie-Antoinette watch includes a minute-repeater, a full perpetual calendar, an equation of time (that is, the difference each day between solar time and mean time indicated by clocks and watches), a power-reserve indicator, a bimetallic thermometer, a large independent seconds hand and a small centre seconds hand, a lever escapement, a gold balance spring and a parachute anti-shock device. This profusion of technological wonders were housed inside a gold case with a rock crystal dial through which the movement could be admired.
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