In article , Alan (BigAl) wrote:
On 04/07/2013 21:38, David Hill wrote:
Why do we call the time piece that we wear on our wrist a "Watch"?

http://etymonline.com/?term=watch

It is a bit vague, but it is the best I could find.

As far as I understand the OED, it was originally applied to the
alarm system of a timepiece (1440) and then became attached to
the timepiece as a whole.


Regards,
Nick Maclaren.