The Seiko SKX modding scene is very lively, with many options...however, most mods are for the 42mm SKX007/009, and I prefer the SKX013/SKX015's 38mm case.
In
...さらに表示 order to use a larger dial from other watches on this case, the chapter ring unfortunately overlaps the markers on the dial, creating fitment issues (not to mention cosmetic). There are no aftermarket inner bezels which solve this problem (that I am aware of).
The example watch was modeled on the Artifice Horoworks "Ultimate SKX" (which was built on an SKX009).
Usage:
If you are unsure of how to modify your Seiko, do yourself a favor and do some searching on Youtube...there is a plethora of useful information, which I won't bother recounting here.
There is a bevel on the the chapter ring, be sure the thin side faces the dial of the watch (to create the most space for the dial markers).
