How Mechanical Watch Works

Basic Mechanical Watch

1. Power is provided by mainspring.
2. Mainspring power is transmitted by wheel train through escape wheel and pallet to balance wheel.
3. Accuracy is controlled by oscillating rate of balance wheel.
4. The time indicating hands are turned by wheel train.
5 The mainspring is wound manually.

 Self Winding Watch

1. Power is provided by mainspring.
2. Mainspring power is transmitted by wheel train through escape wheel and pallet to balance wheel.
3. Accuracy is controlled by oscillating rate of balance wheel.
4. The time indicating hands are turned by wheel train.
5. The mainspring is wound by an oscillating weight which swings with the motions of the wearer.