Answers

2016-03-13T21:21:54+05:30
It's related to their dominant hand. if u write with right hand, if u wear watch on right hand, it obstructs while writing, thats why. pls mark as 5stars if it helped!
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2016-03-14T17:46:47+05:30
No genetic relation ; as it depends upon the preference of an individual .
Few people wear watch on their right hand because their left brain is most active and vice-versa but it's not necessary because the brain halves can acquire qualities of it's counterpart.It can't be genetical because about few generations ago there weren't any wrist watches at all ! .....  
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