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Electronic timepiece with a chronograph system
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Montre a affichage analogique indiquant l'heure de plusieurs fuseaux horaires
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Electronic timepiece with a chronograph system
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1982-03-16
Electronic watch with a device for controlling and driving the day of the month
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Analog quartz timepiece
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Drive mechanism for two coaxial calendar members in watch movement
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1979-11-13
Analog quartz timepiece
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Clock with mechanical drive
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Time-setter for an electronic timepiece
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Digital timer and method of operating such
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Printer mechanisms
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Electronic timepiece
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時計のカレンダ−機構
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