men where watches on there left arm
The left wrist is the watch wrist for both men and women.
Etiquette does not dictate which arm to wear a watch. This is mostly a matter of preference but most people find it comfortable to wear it on the left arm.
men always on there left
Left
Everyone that I know that is right handed, wears their watch on the left arm, regardless of their gender. Left handed people often wear their watch on the left arm.
It is a matter of personal preference. Traditionally, a watch is worn on the non-dominant hand for ease of movement.
It doesn't matter; just preference!
A women wears her watch on whichever side she feels like wearing it. In my experience, people tend to wear their watch on their less dominant arm. There are left-handed versions that have the controls on the left side of the watch case.
As most people are right-handed, they typically wear their watch on their left wrist for easy access. However, it ultimately comes down to personal preference.
It comes from being able to look at your watch while writting so you don't loose track of time.
Its really a simple reason. In combat you are less likely to damage the face of the watch when it is on the inside of your arm.
you will wear a cast or a brace