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Seiko A257-5009 / A257-5020 Manual — Caliber A257

One owner's manual PDF for the Seiko caliber A257 in English. Seiko fitted it in the A257-5009, A257-5020, and A257-5010.

Caliber details

Brand: Seiko

PDF files: 1

Released: 1980

Mapped models: 3

Owner manuals

Watch models using this caliber

ModelReleased
A257-50091980
A257-5020- AKA [silverwave]1980
A257-50101981