| 11. | The Carrera chronograph, designed by Jack Heuer, was introduced in 1963.
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| 12. | Less simple chronographs use additional tachymeters for rapid calculations of speed or distance.
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| 13. | Louis Moinet invented the chronograph in 1816 for use in tracking astronomical objects.
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| 14. | He designs such things as spectacle frames and chronographs in addition to clothing.
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| 15. | All chronographs tested were mechanical hand-wound models.
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| 16. | IWC also used a JLC meca-quartz movement in their older Portugieser chronographs.
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| 17. | Heuer introduced its first wrist chronograph in 1914.
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| 18. | Heuer's first automatic chronographs were the Autavia, Carrera, and Monaco.
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| 19. | Chronographs were also used heavily in artillery fire in the mid to late 1800s.
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| 20. | It is constructed of a mainplate, calendar plate, and chronograph top plate.
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