Love the liberty od modding and I grew up on Seiko, so was there quite some time.
My last mod, was just a simple reinterpretation of SKX into a more modern spec, solid bracelet, sapphire, ceramic and lumed insert etc.
After that I felt fullfiled and somehow lost the interest in this area
Worn & Wound did a good job and has covered in that article almost all widely recognised sources. If you fancy to learn more - I put them all together here:
http://forums.watchuseek.com/f21/seiko-modifications-101-how-where-2770002.htmlClick to expand...