SEIKO 310W19LN00 Hardlex Crystal WCZ019J1 - 4633-8049 SDA021J9 This is the original black

This is the original black plastic dial holding spacer ring for the Seiko 7S26

Article number: 4R3600J4XS13

Brand SEIKO Article number 260W73HA01 Diameter 26

This is the original case back gasket for the Seiko Mechanical Alpinist SARB017

Other references: T610027415 - Mother Of Pearl

SEIKO 310W19LN00 Hardlex Crystal WCZ019J1 - 4633-8049 SDA021J9 This is the original blackThis is the original replacement Hardlex Crystal for the SEIKO WCZ019J1 4633 8049 Which SEIKO watches is this Hardlex Crystal compatible with? (see the table below for the complete list of compatible model and case codes numbers) This watch Hardlex Crystal is compatible with the following models: WCZ019J1, WCZ021J1, WCZ020J1, SCW260P1, SCW259J1, SCW261J1, Which SEIKO case numbers is this Hardlex Crystal compatible with? (see the table below for the