Lunetta in ceramica inclinata inserto GMT style lunetta rossa/blu 38*30.6mm per Seiko SKX007 SKX175 GMT Master MOD parti di orologi|Kit e utensili per riparazioni| - AliExpress
New bezel insert and strap for Seiko Sea Urchin : r/SeikoMods
Rob Wei no Twitter: "I managed to update my Seiko Sea Urchin with a sapphire crystal and a ceramic bezel insert from @dlw.watches without breaking anything - I feel kinda proud :D #
Genuine Seiko Bezel + Black Insert take off from SNZF17 ~ US Seller + Ships Fast