Description
tourbillion pronunciation,In horology, a tourbillion or tourbillon (/tʊərbɪˈjɒn/; French: [tuʁbijɔ̃] "whirlwind") is an addition to the mechanics of a watch escapement to increase accuracy. Conceived by the British watchmaker and inventor John Arnold, it was developed by his friend the Swiss-French watchmaker Abraham-Louis Breguet and patented by Breguet on 26 June 1801. In a tourbillon, the escapement and balance wheel are mounted in a rotating cage, with the goal of eliminating errors of poise in the balance .
Beige and white GG Supreme canvas
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Gold-toned hardware
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Double G
Inside: 5 open pocket
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Chain top handle with 7″ drop
Top zip closure
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5.8″W x 3.8″H x 3.5″D
Weight: 0.9lbs approximately
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