5KX Dual Time Dark Knight Mod Mod parts: @dlw.watches Built by: @mods.by.d | Instagram
Seiko 5 GMT SSK001 Review - 12&60
How to Use the GMT-Master II: Reading Multiple Time Zones - YouTube
This very light mod to my SKX 009 has enabled easy to use dual time when I'm away and frankly I prefer the black ceramic bezel insert to the original Pepsi :
12 hour bezels - where have they gone? | Page 15 | WatchUSeek Watch Forums
How to Set and Use a GMT, Dual Time, and World Time Watch? - WatchReviewBlog