in a summer day
you simply wind it up and watch the mechanisims work and then watch it do it's job!
Think of any machine that uses a Wind Up motor. E.g., a wind up watch or clock, wind up toys. Then there are rubber band powered air planes.
In the days of manual wind up watches it was so you could wind your watch up without taking it off.
As far as pocket watches go, there should be a small knob at the top of the watch, if you twist it it will wind the watch, if you pull it out and twist you can use it to set the clock. But, that is going by a general pocket watch design.
Clocks Toys Watch Jack in the box
beacause its dagerous ad fun to watch
A battery-operated wrist watch is a closed system. A wind-up wrist watch is an open system.
Pink - Bad Influence!
turn the knob clockwise when it's pushed all the way in
all windup watches work by a mainspring that is wound up really tight, the spring wants to let go as soon as it is wound up tight. as you wind up the mainspring that parts in the watch start to move and the watch starts to keeps time. this is called a balance action. the balance wheel has a hairspring under it that returns the balance wheel to its main position as you wind the mainspring the force of it puts tension on the parts and that is how the windup watch works.
Yes, many watches sold by Nixon are advertised as vary durable and many models are at lease water resistant. However, you should still be careful with how you treat any watch that you purchase.