SEIKO 285N21SN01 Sapphire Crystal SBQ060J1 - 5P39-8000 SGT092P1 This is the original TW-Steel

This is the original TW-Steel TWMC8 men's watch from the Marc Coblen Edition

Here you can order the dial spacer ring for the Seiko Mechanical SARG009

Brand SEIKO Article number 290A03JN03 Diameter 29

Brand SEIKO Article number 190P02HN03 Diameter 19

End-piece-reference: B1707C EP

SEIKO 285N21SN01 Sapphire Crystal SBQ060J1 - 5P39-8000 SGT092P1 This is the original TW-SteelThis is the original replacement Sapphire Crystal for the SEIKO SBQ060J1 5P39 8000 Which SEIKO watches is this Sapphire Crystal compatible with? (see the table below for the complete list of compatible model and case codes numbers) This watch Sapphire Crystal is compatible with the following models: SBQ060J1, SBQ060J8, SBQ060J9, SBQ062J1, SBQ062J4, SBQ062J8, SBQ062J9, SBQ054J1, SBQ054J3, SBQ054J4, SBQ054J8, SBQ054J9, Which SEIKO case numbers is this