How to Upgrade the Bezel Insert on your Seiko Mod – namokiMODS
Seiko Samurai Mod: The Complete Guide For Watch Lovers – Watch&Style
Seiko SRPB55 bezel Prospex Samurai black & gold - WatchPlaza
WTS] Modified Seiko Samurai - SRPB51 with a ceramic bezel insert and domed sapphire crystal from dlwatches, plus extra bracelets - $350 OBRO. : r/Watchexchange