Results for: Wrist Watch

Who invented wrist watches?

The wristwatch was invented by Patek Philippe at the end of the 19th century. At the time, it was considered a woman's accessory. It was not until the beginning of the 20th ce (MORE)

What does ATM on a wrist watch mean?

The term "atm" means "atmosphere" It's a term used to measure pressure. One atmosphere is the atmospheric air pressure at sea level. On a watch it is a measure of water resi (MORE)

What is the working principle of wrist watch?

Quartz clocks and watches use the piezo electric effect of a silicon dioxide crystal that generates a tiny voltage across it when deformed. Two wires from gold plated patches (MORE)

Why are watch 'see' and watch 'wrist watch' spelled the same?

  In ancient times, people told the time thru the use of a sundial. A sundial could be anything from a stick in the ground to a tall object in order to watch the shadow th (MORE)

How does a wrist watch work?

some wrist watches work by kinetic energy ! ther are small weights in the watch which move around when a wrist action is made . where as any other kind a watches is powered by (MORE)