This is an example of SUMO (SBDC001) bezel insert and belt mod (custom)! - SEIKO 5 .club
Pepsi Bezel Insert for the SUMO
Sliver Bezel Insert for the SUMO
Genuine Seiko Sumo Bezel 86016215
Thanks for the help! Ice Diver with Strapcode jubilee and ceramic bezel insert (finally) : r/SeikoMods
Sumo Mk2 Red T Black Ceramic Insert for Seiko SUMO • Works perfectly with both Seiko original crystal & DLW Sapphire Double Dome Crystal • Launched last... | By DLW WatchesFacebook