Authentic Seiko Tank Watch for men in a classic gold-tone rectangular design, featuring a 25mm stainless steel case and a champagne dial with non-numeric hour markers. This listing is sold strictly for parts or repair and is an ideal donor piece for Seiko enthusiasts who want to salvage authentic components or revive a vintage project.

Condition and important details: this is a used Seiko watch with visible scratch marks on the case and crystal. It is not currently running, and replacing the battery will not bring it back to life. Sold as-is, with the understanding that it’s best suited for parts salvage or a careful restoration project by a skilled watchmaker or hobbyist.

• Brand: Seiko
• Model/Part: 9021-5009
• Movement: Quartz
• Case: Stainless steel, gold-tone, 25mm width
• Dial: Champagne, non-numeric hour marks
• Crystal: Scratched
• Origin: Japan
• Condition: Used, needs repair, for parts or restoration; battery not a fix

Why this Seiko tank donor is a smart choice for restoration or parts collection

• Authentic Seiko heritage: A genuine Japanese-made piece that carries the timeless Seiko tank aesthetic—perfect for vintage enthusiasts building or completing a Seiko collection.
• Donor-ready components: The gold-tone case, champagne dial, and non-numeric markers offer authentic styling cues for compatible Seiko tank models, making it a practical source of spare parts.
• Durable construction: Stainless steel case provides a solid donor material for repairs or custom projects, even if the movement is non-functional.
• Clear, usable dial design: The champagne dial with clean, legible indices offers a reliable reference for match-ups in restorations or to recreate the look on other watches.
• Versatile for multiple use cases: Ideal for repair shops, vintage-watch hobbyists, or collectors who value genuine Seiko components over aftermarket substitutes.

Best uses and who it’s ideal for

• Repair hobbyists seeking a source of authentic Seiko parts for a 9021-5009 family watch or similar rectangular tank models.
• Collectors aiming to complete a Seiko tank-themed collection with genuine era styling.
• Donor projects where the case, dial, or crystal can be swapped into a working movement to recreate a vintage look.

Practical notes and tips

• Inspect the case and crystal for additional wear that may influence compatibility with donor parts from other Seiko tank watches.
• If you’re rebuilding a similar model, confirm lug width and case compatibility to ensure a seamless donor fit.
• Handle the piece with care when removing or re-housing components to preserve authentic Seiko finishes and markings.

Shipping and purchase terms: we combine shipping across items in our store. If you have questions, feel free to message us—we’re happy to help you assess how this Seiko Tank Watch donor can support your restoration or parts project.