Question

which crystal are used for keeping time in watches

Answer 1

Quartz crystal is used in watches..
Hope it helps..

Answer 2

Answer:  

Quartz Crystal are used for keeping time in watches.  

Explanation:

Quartz crystal receive the electricity send by battery through the electronic circuits. The Quartz crystal are battery powered because they are use minimum electricity that battery can easily send to it.  

Then Quartz crystals oscillates and vibrates at a particular frequency and it is high performance resonators. Thus, Quartz crystal are suitable for the watches and used for keeping time in watches.