-History of watches-

・The history of watches can be traced back to around 3500 BC.

The first clocks used the movements of celestial bodies such as the sun, moon, and stars.

used to measure time.

The ancient Egyptians used sundials
Time was measured by changing the shadow that indicates the position of the sun.
Around 1500 B.C. water clocks were also used.
It measured time by measuring the flow of water.

・Mechanical clocks were invented in the Middle Ages.
These clocks are powered by heavy weights
Time was measured by rotating the gear.
The first mechanical clock was invented in Europe in the 13th century.
After that, the precision and function of clocks improved, and in the 16th century, the underwater clock was invented.

・In the 17th century, clocks that were able to measure time with high accuracy appeared.
The high-precision clocks used in observatories are
It is also used for sea navigation and navigators use it
It is now possible to calculate an accurate route.

・By the appearance of wristwatches in the 19th century
The compact shape makes it easy to carry.
After that, electric clocks and quartz clocks were invented.
It also improves accuracy and precision.

・Modern watches are equipped with various functions.
Equipped with a digital display and smart functions
It is more versatile and convenient.