The Constant Force Tourbillon 11 timepiece, designed to commemorate the conclusion of the 260th-anniversary celebrations of John Arnold’s legacy, pays homage to the watchmaker’s ingenuity and his close association with Abraham-Louis Breguet.
The 41.5 mm diameter watch, crafted in 18-carat yellow gold, is powered by a hand-wound mechanical movement featuring a constant force mechanism, visible on the enamel dial, and is regulated by a tourbillon on the reverse side.
The architecture of the calibre draws inspiration from the timekeeping instrument driven by the first tourbillon created by Abraham-Louis Breguet in 1808, based on a chronometer movement designed by John Arnold. This first tourbillon regulator, now housed in the British Museum, was presented to John Roger Arnold by the Parisian watchmaker in honour of his scientific collaboration and friendship with his father.
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