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Related to Quartz clock: atomic clock, wall clock

WATCH, police. To watch is, properly speaking, to stand sentry and attend guard during the night time: certain officers called watchmen are appointed in most of the United States, whose duty it is to arrest all persons who are violating the law, or breaking the peace. (q.v.) Vide 1 Bl. Com. 356; 1 Chit. Cr. Law, 14, 20.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Today we use quartz clocks and watches to tell time.
For example, FlexRay automatically and digitally compensates for the differences in the variety of quartz clocks running on the network, as well as in their slight changes in clock frequencies.
But three quartz clocks will continue to operate, set to power up the detectors 45 minutes before Huygens reaches the top of Titan's extended atmosphere.
The Set & Forget can be installed in any of Chaney's quartz clocks in its Acu-Rite, Chaney Instrument, Stoney Creek Trading Co.
Wake up to a stylish quartz alarm clock - ONLY pounds 1.99 THESE modern quartz clocks have a square-faced design and come in a choice of pastel colours of blue, yellow or green.
This phenomenon, called the piezoelectric effect, has been well known in certain crystals for more than a century and is the driving force behind quartz clocks and other applications.