It is a request to make it a yacht master type of a certain Rolex、It's cool! ^^ Replacement parts are DLW Ceramic Insert – Urchin Yacht Master Black、DLW Sapphire Double Dome – Seiko ‘URCHIN’ SNZF、DLW Hands – Mercedes、Crownは Watch&Style、SEIKO genuine day car、Movement NH36、Silicone belt of unknown manufacturer。