Brand SEIKO Article number 210W27LN00 Diameter 21
Brand SEIKO Article number 290N35LN00 Diameter 29
Other references: T600027527
The black date wheel for this movement is available here
SKX007 black dial legacy with gold-accent upgrade
SEIKO 290P92SB0B Sapphire Crystal SACK030 - 4J40-0AG0 CAZ008J9 Brand SEIKO Article number 210W27LN00This is the original replacement Sapphire Crystal for the SEIKO SACK030 4J40 0AG0 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: SACK030, SACK0301, SACK031, SACK0311, SACK033, SACK0331, SACK032, SACK0321, SACK039, SACK040, Which SEIKO case numbers is this Sapphire Crystal compatible