Description
This is a 1976 vintage Seiko Diashock ladies’ watch.
Model Identification
This timepiece is frequently associated with the Seiko 1104-7001 or 1104-7000 model series. These watches typically feature:
Movement: A manual hand-wound mechanical movement, specifically the Caliber 1104A. This movement is known for its high quality in a compact “form” factor, featuring 17 jewels.
Design: A distinctive square “tank” style case in stainless steel or gold plating, often paired with a specialized integrated or mesh-style bracelet.
Diashock: The “Diashock” label on the dial refers to Seiko’s proprietary anti-shock system designed to protect the balance wheel pivot from impact.










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