There are many opinions on the birth time of the world's first watch, yet to be discovered. The world's first automatic mechanical watches and quartz watches have also attracted much attention.
In the history of watches and clocks, early mechanical clocks appeared in northern Italy and southern Germany around 1270, powered by a weighing hammer, and the accompanying clock sounded every hour to automatically report the time.
People have allergies, and watch straps can also make us allergic.
Azan Prayer Watches is a concept smart watch specially designed for Muslims.