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US2004013046A1
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Escapement for timekeeper
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Display device
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CH696947A5
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Timepiece with a perpetual calendar display.
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Device with program wheel for perpetual calendar mechanism, and timepiece provided with such a mechanism
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Escape for timekeeper
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Escapement for timekeeper
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Device for displaying numeric information with two figures
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Clockwork
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Escapement for timepiece
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CH692528A5
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Device power reserve indicator timepiece.
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Piece equipped with an alarm watch.
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CH691149A5
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Watch mechanism for setting the time, date, month and year, which only uses gear wheels without levers
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horological piece which the hour hand can be an advance or backward by an hour steps.
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JPH05142362A
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Watch having permanent calendar
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US4825426A
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Horometric arrangement for indicating the position of the planets
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US4711583A
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Astronomical wrist-watch
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