Watch having a first barrel complete with a diameter that is less than a diameter of a second barrel complete
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United States of America Patent
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Dec 5, 2023
Grant Date -
Jul 29, 2021
app pub date -
Jan 26, 2021
filing date -
Jan 27, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A watch includes a first barrel complete including a first barrel arbor, a first mainspring, and a first barrel, and a second barrel complete that includes a second barrel arbor, a second mainspring, and a second barrel, is disposed side by side in a planar direction orthogonal to a shaft direction of the first barrel arbor, and receives transmission of rotation of the first barrel complete. A tooth tip circle diameter of the first barrel complete is smaller than a tooth tip circle diameter of the second barrel complete, and a thickness of the first barrel is greater than a thickness of the second barrel.
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