Seiko Canada - Sapphire crystal with an anti-reflective coating on the surface as well as the Diashield titanium case and bracelet. Prospex SPB189 comes lighter and stronger for 2021! ・ #seikoprospex #prospex #
Like New Seiko SPB323 Prospex Gradated Gray "King" Sumo 4th Gen Ceramic Bezel and DiaShield | WatchUSeek Watch Forums
Seiko Restores The King Seiko Collection With Five New Watches | aBlogtoWatch