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In the 1960s the electronic quartz watch was invented, which was powered by a battery and kept time with a vibrating quartz crystal.By the 1980s the quartz watch had taken over most of the market from the mechanical watch.This innovation increased watches' accuracy enormously, reducing error from perhaps several hours per day resulting in the addition of the minute hand to the face from around 1680 in Britain and 1700 in France.The increased accuracy of the balance wheel focused attention on errors caused by other parts of the movement, igniting a two-century wave of watchmaking innovation. The verge escapement was replaced in quality watches by the cylinder escapement, invented by Thomas Tompion in 1695 and further developed by George Graham in the 1720s.
How can a tube as flimsy as a mosquito's proboscis be stiff enough to act as a hollow boring tool?
One account says that the word "watch" came from the Old English word woecce which meant "watchman", because it was used by town watchmen to keep track of their shifts at work.
Drawing of one of his first balance springs, attached to a balance wheel, by Christiaan Huygens, published in his letter in the Journal des Sçavants of 25 February 1675.
Some watches use radio clock technology to regularly correct the time.
Developments in the 2010s include smartwatches, which are elaborate computer-like electronic devices designed to be worn on a wrist.