We start with a story watch according to generally assortment mechanism is divided into 2 types.
1. Mechanical Watch clock mechanism or machine. Relying on the movement of the gear mechanism within the driving force from the spring to make the clocks, walk. The mechanical clock has been invented for hundreds of years, which estimates that were invented by century 16 currently divided into 2 groups.
- Manual Winding Watch is self-winding watch (or winding by hand). This is a clock with use, but by relying on the traditional winding to pull the pull spring up. And when spring cover this relaxed. Virtual energy transfer used in driving gears of various other mechanisms and make the clock work.
- Automatic Winding Watch (Self-winding watch) is the clock automatic or automatic watch winder Or simply that chronicle and work on their own. The clock in this group have a rotor (Rotor) to crank up the yard. As we wear a watch on the one hand, or is in a rotary or safety winding watches. (Watch winder) which centrifugal force from wrist and safety chronicle gives the rotor work all resulted in up LAN. The clock can walk all the time. And the observation point of watches this group housing gently came to hear the rotor vibrating and rotating the เสียงกิ๊ก gently.
2. Quartz Watch called quartz clocks or watches, electronic Is the clock to battery or charcoal, assist in the work itself. Watch this group uses energy from the battery is put forward to go tell time or time display through the LED digital dashboard. LCD or LED which will be used to power some pass quartz crystal and frequency receiver back to why macro processor evaluation out time. And control the walking of a needle with one. Quartz clock with high accuracy and affordable, easy to use, but not popular among a play clock?