Seiko Ersatzkrone (Crown) mit Dichtung für Seiko Champion – Ø 4,5 mm, Höhe 2,4 mm (1 Stück) – NOS Quarz The inscription Seikosha refers to

The inscription Seikosha refers to the production phase in which Seiko still operated as an industrial manufacturer under this name

Technology & Features

The following were characteristic:

Reference: AN3668-55W / 0510-A5T4W05

expected lifespan approx

Seiko Ersatzkrone (Crown) mit Dichtung für Seiko Champion – Ø 4,5 mm, Höhe 2,4 mm (1 Stück) – NOS Quarz The inscription Seikosha refers toOriginal Seiko replacement crown from new old stock (NOS) for the Seiko Champion. One single piece (single crown) is offered. The crown has an internal gasket (seal ring O ring), making it a water resistant crown (sealed crown). This is fitting for the Champion: its crowns were often embossed with "SW" (Seiko Waterproof) at the time, and from approx. 1963, the Champion Calendar offered water protection. The finely knurled edge ensures a secure grip