Regular maintenance for watches you previously purchased.
When you request an overhaul, we will clean the case and work on it.
This is a must-see from around 2000.
It seems that Mastokorise itself was released around 1989,
The first case shape had two screws on the back cover.
In later years, when minor changes were made, the dial variations also changed,
The structure of the case will also change.
From this era, the screws were changed to 4 screws,
The back cover is also thick enough to feel heavy.
You won't notice it just by looking at the watch from the front.
There are some things you should notice when you take it apart.
In more detail, there are also changes to the movement specifications,
The old model is the same machine as the mast tank LM,
In later years, it was changed to the same machine as the Mast Tank SM.
There is no right or wrong, but
For some reason, later models are better, including the mast tank.
It seems to have a sturdy construction, so
I hope this will be helpful when making a selection.
No matter what you buy,
If it is sold by us, we will definitely
We will repair it responsibly!
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