Chronometer

A chronometerChronometer A chronometer watch movement is a high-precision movement that has been certified by an official organization, such as the Swiss Official Chronometer Testing Institute (COSC) or other similar bodies, as meeting certain standards of accuracy and performance. These standards include requirements for the rate of the watch, its resistance to temperature and other environmental factors, and its power reserve. Chronometer watches are tested for several days, in different positions, and at different temperatures to ensure their precision. [Learn More] watch movement is a high-precision movement that has been certified by an official organization, such as the Swiss Official Chronometer Testing Institute (COSC) or other similar bodies, as meeting certain standards of accuracy and performance. These standards include requirements for the rate of the watch, its resistance to temperature and other environmental factors, and its power reserve. Chronometer watches are tested for several days, in different positions, and at different temperatures to ensure their precision.

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