Chronometer

"Chronoscope" redirects here. It can also refer to time viewers in science fiction, as in the story The Dead Past.

Chronometer may refer to:

• Chronometer watch, a watch tested and certified to meet certain precision standards
• Hydrochronometer, a water clock
• Marine chronometer, a timekeeper used for celestial navigation
• Railroad chronometer, a specialized timepiece once used for safe operation of trains in the United States and Canada

See also

• Chronometry
• Clock

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