  The technological discoveries and developments since dawn of civilization
that resulted in the modern wristwatch are linked to the evolution of Science
itself. A history of over 6000 years filled with amazing technical prowess
since the emergence of the first cities in Mesopotamia established by the
\v{S}umer civilization. Usage of gears for timekeeping has its origin in the
Islamic Golden Age about 1000 years ago. Although gears have been known for
over 2000 years such as found in the Antikythera Mechanism. Only in the
seventeenth century springs started to be used in clock making. In the
eighteenth century the amazing \textit{Tourbillon} was designed and built to
increase clock accuracy. In the nineteenth century the tuning fork was used for
the first time as timebase. Wristwatches started to become popular in the
beginning of the twentieth century. Later in the second half of the twentieth
century the first electronic wristwatch was designed and produced, which brings
us to the curious case of the Bulova \textit{ACCUTRON} caliber 214 the first
transistorized wristwatch, another marvel of technological innovation and
craftsmanship whose operation is frequently misunderstood. In this paper the
historical evolution of timekeeping is presented. The goal is to show the early
connection between Science and Engineering in the development of timekeeping
devices. This linked development only became common along the twentieth century
and beyond.
