"I checked a little! ]
~ How to select a clock (movement) ~

Hello.
"I checked a little! ] Is the second time.


This time, it is about "How to choose a watch (movement edition)".

What is important when choosing what kind of watch to buy? !
I think there are various brands, the design of the appearance, and the price range.

However, I was attracted only to brands and designs and bought it, but it has become an ornamental use.
I tried to find out what I wanted to know a little so that it would not be the case.



The first thing you want to know when choosing a watch is the type of "movement".
By the way, do you know what "movement" means?

Movement is the power part of the clock.
Depending on the type, the personality of the wristwatch also changes drastically.
I would like to introduce each basic characteristics.


There are two main types of movements,
The first is a quartz type using a crystal (quartz) that moves with the power of the battery and causes a fixed number of vibration when passing through electricity.
This quartz type also has evolution such as solar watches and auto quartz.

And the other is a mechanical that moves the clock using the power of the winding mainspring.
Basically, this mechanical type is engraved when the parts that move like a pendulum called Burden Mai move regularly.


When the movement is manufactured, the model number attached to the movement is called "caliber".
The details of the wristwatch are often described as "Cal.", So you can find out information about the movement.



Features of movement

・ Quartz (Quartz) Quartz -style watches are overwhelmingly common in modern times. The quartz type is easier to buy because there are many lower -priced models than mechanical type. The accuracy is higher depending on the mechanical type, so it is now a standard movement. Even if you leave it for 2-3 days, it will engrave the time accurately without stopping. However, the battery is a consumable item, so it is necessary to replace the battery in about 1-2 years. In addition, the life of the electronic circuit is about 10 years, so it is not suitable for those who want to use it for decades while repairing it like a mechanical type. However, the benefits of price and usability are very large, and I think it is really convenient to have one quartz watch.
・ Automatic Automatic winding watches used by each brand, including the luxury watch brand "ROLEX". In the 1770s, a watchmaker invented an automatic winding mechanism. Automatic winding that attracts people for about 250 years cannot be explained by merit and demerits alone. It is very interesting to examine the history of automatic winding! ! However, I can't write here, so on another occasion. When wearing a clock, the weight of the built -in rotor is rotated according to the movement of the arm, and the mainspring is automatically rolled up. Unlike quartz, there is no need to replace the battery, and if you wear it, there is no need to wind the mainspring, and the advantage is to keep moving semi -permanently. Regarding accuracy, a few seconds errors may occur a day, and if the accuracy is emphasized, a quartz type is recommended. I think it's attractive that you can use it for a lifetime if you don't miss maintenance. Once every three to five years, the disassembly cleaning, which is overhaul, is required.
・ Hand winding (hand winding) Hand -wound is attractive because there are many retro watches. Unlike automatic winding, it is a movement with a mechanism to manually roll the mainspring. Because there is no rotor, there are many thin and light models, so it is popular with women. As with automatic winding, accuracy may occur several seconds a day, so if you value accuracy, a quartz type is recommended. By wrapping the mainspring at a fixed time every day, you may have an attachment that is not in quartz or automatic winding.
・ Solar clock (Solar) The biggest advantage is that frequent battery replacement is unnecessary because it is automatically charged with solar. There are also solar radio waves and GPS clocks, and some models have a function that automatically correct the time. However, the brands and models they handle may be limited. Just as some people are hidden in long sleeves during the winter period and will be repaired for repairs without being charged, if you leave them in a dark place for a long time, Please note that the battery may be out of charge or the battery may deteriorate. Even if the rechargeable battery is replaced, consider the life of the electronic circuit to be about 10 years.
・ Auto Quartz Basically, it is a quartz type, but the battery is charged by the rotation of the rotor. Seiko's unique mechanism is also called "kinetic". It is equipped with a generator inside, and can be charged by the arm movement like an automatic winding, so there is no need to replace the battery. If left unattended for a long period of time, the battery may deteriorate. The disadvantage is that it is necessary to send it to the manufacturer when repairing.
・ Spring drive (Spring Drive) A spring drive is a new drive system that replaces the mechanical and quartz developed by Seiko. While using the mainspring, the accuracy of time is high, the needle movement is different from the mechanical and quartz type, which is very smooth. It does not have a battery or motor, combines a generator, an IC circuit, and an electronic congregation consisting of a crystal vibrator, giving a high accuracy of an average day difference of+-1.

A very deep movement world.
I can't write it on this blog.

This time, I featured only the movement, but in addition, the date day date with the calendar display function.
There are various functions such as chronograph of the stopwatch function, so
Next time, I would like to find out what functions are.

I hope you know a little and use it as a reference.
If you are interested, I would be grateful if you could read it next time.


see you!





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"I checked a little! ] 1st -Kihei chain ~