Designer smart watches ladies on the wrist can even make telephone calls
As computers shrank in size in the 20th century, electronic equipment became small
enough to fit into a smartwatch. One of the first calculator watches was the Calcron
(1975), which had a nine-digit display. In the early 1980s, Seiko introduced several
watches with computing capabilities. The Data-2000 (1983), so called because
it could store two memos of up to 1,000 characters each, fit into a keyboard on
which the user entered the information. The RC-1000 (1984) connected to a personal
computer. The Receptor MessageWatch (1990) received pager messages
via FM radio signals.