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The tourbillon system was made to compensate the Earth’s gravitational force by mounting the escapement in a revolving cage. It gives the watch a better accuracy. This complication is known as one of the most difficult to make.
The tourbillon system was made to compensate the Earth’s gravitational force by mounting the escapement in a revolving cage. It gives the watch a better accuracy. This complication is known as one of the most difficult to make.
Watches featuring a « sonnerie » complication indicate the hour and quarters by means of hammers hitting bells or gongs which are tuned to different pitches. Chimes were originally made as a means of telling the time in the dark.