A better look... Ceramic Bezel Inserts for Seiko #SUMO, coming soon | By DLW Watches | Facebook
YARD SALE - Ceramic Insert - Sumo DS Black - DLW WATCHES
Seiko Blue Sumo: Ceramic bezel? | WatchUSeek Watch Forums
Ceramic Insert - Sumo Dual Time BAT. - DLW WATCHES
Ceramic Insert - Sumo DS Stealth - DLW WATCHES
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 Watches - Facebook