Watches: development through the centuries
The earliest references to the wearing of a portable timekeeper
appear around 1500-10, particularly in northern Italy and southern
Germany. During the first half of the sixteenth century, watches
were commonly worn on chains or ribbons around the neck. This
fashion continued until the seventeenth century, when they were
increasingly hung from the waist. In the mid-seventeenth century
two fashions developed: the 'form watch' - with elaborate cases
taking the form of other objects such as flowers, skulls or
crucifixes - and the plain, undecorated watch made for the austere
taste of the Puritans.
The introduction of the pocket into clothing in the
mid-seventeenth century may also have contributed to the latter.
During the eighteenth century there were two main trends: the plain
cased timepiece, perhaps intended for every day use, and the high
quality clock-watch, which struck the hours either in passing, or
repeating watches, which struck the hours and quarters on
demand.
The introduction of the balance spring (1675) transformed the
accuracy of the watch from around half an hour to within a minute
per day. New escapements, such as the cylinder (1726) and detent
(ca. 17??), and sophisticated temperature compensation devices
further improved accuracy. Thomas Mudge's new lever escapement
(about 1754) was eventually used in a modified form in millions of
mechanical watches and still used by leading Swiss manufacturers up
to the present day.
During the nineteenth century, the traditional hand-made watch,
produced in small batches in small workshops, was joined by the
machine-made watch, gradually introduced from the 1850s. Made in
Switzerland and the United States, these were eventually produced
at such low prices that by the end of the century a watch was
affordable to the vast majority of ordinary people.
In the nineteenth century the watch remained either in the
waistcoat pocket or on short chains or ribbons. The beginning of
the twentieth century saw the introduction of the wrist watch,
firstly for women, but following its successful use in service
during the First World War (1914-18), increasingly among men, until
the pocket watch became an archaicism. The introduction of quartz
in the 1970s transformed accuracy to the point where an ordinary
cheap watch could be expected in most circumstances to perform to
within one second per month.