| 21. | Today, Longines sells sport watches and chronographs.
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| 22. | They have also pioneered in perpetual calendar, chronograph and minute repeater in watches.
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| 23. | The P'6510 was the world's first black chronograph released 1972.
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| 24. | Many chronographs are equipped with the flyback function, especially watches meant for pilots.
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| 25. | Later, the chronographs gained their current form.
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| 26. | It is often confused with the flyback chronograph.
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| 27. | Today double chronographs ( or rattrapante chronographs ) can be divided into two subgroups.
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| 28. | Today double chronographs ( or rattrapante chronographs ) can be divided into two subgroups.
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| 29. | The program focuses on micromechanics and watch service with a strong emphasis on chronographs.
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| 30. | Edifice watches range from basic chronograph to more advanced models with more computerized movements.
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