Chronometer
Chronometer or chronoscope may refer to:
Chronometer of Loulie, a precursor to the metronome
Clock
COSC certified chronometer, a Swiss watch certified by the COSC
Chronometer watch
Certified chronometer
Observatory chronometer, a device certified by an observatory to be extremely accurate
Marine chronometer, a timekeeper used for marine navigation
Railroad chronometer, a specialized timepiece once used for safe operation of trains
Chronoscope or time viewer, a fictional, oracle-like device occasionally employed in science fiction
Longines Chronoscope, an American television program (1951–1955)
See also
Chronometry, the science of timekeeping
Hydrochronometer, a water clock
