Repeater (horology)

Repeater (horology)

A repeater is a complication in a mechanical watch or clock that audibly chimes the hours and often minutes at the press of a button. There are many types of repeater, from the simple repeater which merely strikes the number of hours, to the minute repeater which chimes the time down to the minute, using separate tones for hours, quarter hours, and minutes. They originated before widespread artificial illumination, to allow the time to be determined in the dark, and were also used by the visually impaired. Now they are mostly valued as expensive novelties by watch and clock enthusiasts. Repeaters should not be confused with striking clocks or watches, which do not strike on demand, but merely at regular intervals.

Read more about Repeater (horology):  History, How They Work, Pictures, Bibliography

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Repeater (horology) - Bibliography
... English translation Essay on RepeaterWatches, Richard Watkins, Australia ... (1965) A History of Repeating Watches, Offprint from Antiquarian Horology(originally published in parts from September 1965 to June 1966) ... Pages 142-176 and 194-201 are about the minute repeatermechanism of the IWC Grande Complication watch ...