As miniaturized electronics become
cheaper, more and more functionalities have been inserted
into watches. Watches have been developed containing
calculators, video games, digital cameras, keydrives,
and cellular phones. In the early 1980s Seiko marketed
a watch with a television receiver in it, although
at the time television receivers were too bulky to
fit in a wristwatch, and the actual receiver and its
power source were in a book-sized box with a cable
that ran to the wristwatch. In the early 2000's, a
self-contained wristwatch television receiver came
on the market, with a strong enough power source to
provide one hour of viewing.
Several companies have attempted to develop a computer
contained in a WristWatch, including an IBM product
that ran Linux and a Fossil,_Inc. product that ran
PalmOS (see also wearable computer). As of 2004, the
only programmable computer watch to have made it to
market is the Seiko Ruputer, although many digital
watches come with extremely sophisticated data management
software built in.
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