22 Dec 2018
By Michal
1 Comment
That crystal had a rough life

That crystal had a rough life

eBay, Seiko Kakume 6138-0030 , , ,
Once I took the watch apart, I couldn't help myself but to work on the crystal. I did some research and find out that the Seiko branded Hardlex Crystal is somewhere around 7 on the hardness scale from 0  to 10. I also find out that it is possible to remove scratches with a few different levels of sand paper. First I started with a thicker grit of 800 until the deeper scratches disappeared. That initial process was taking quite a long time so I moved down a bit and tried 400 grit. Then I move on to a very…
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21 Dec 2018
By Michal
0 Comments
The initial disassembly.

The initial disassembly.

eBay, My Watchbox, Seiko Kakume 6138-0030 , , ,
I waited a whole five minutes before I decided to open the watch and take a look at the movement. And yeah...I didn't stop after lifting the back cover. I didn't have my tool box with me at that time but I still managed to take off the blue outer bezel and remove the crystal. Unfortunately while taking out the movement I removed the stem and made a mistake while doing so. I wiggled the movement before putting it back and couldn't get stem back in place. That is a whole different story that lead to another adventure I will…
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