My sea urchin first mod sapphire and ceramic bezel from dlw : r/SeikoMods
BEZEL INSERT FOR SEIKO 5 SEA URCHIN SNZ15K1, SNZF17 WATCH AUTOMATIC DIVER BLUE | eBay
Installing A Bezel Insert - Plus Sea Urchin Update - YouTube
Simon Hallgath-Jolly on Twitter: "Put my own spin on my Seiko Sea Urchin. Thanks to #dagazwatch for the new bezel, @mrsailcl… https://t.co/XxEkTMCqd0 https://t.co/fLkNK46oQX" / Twitter
Ceramic Insert - Urchin Black - DLW WATCHES
Dial + Bezel Insert + Chapter Ring (black set) for Seiko SNZF17k1 and – EnhancedHome&Carry