Seiko Tank Watch Women 15mm Black Dial Gold Tone Rectangle 1N00-5A10 New Battery

Elevate your everyday with the Seiko Tank Watch Women 15mm Black Dial Gold Tone Rectangle 1N00-5A10. This vintage-inspired timepiece blends a refined rectangular silhouette with warm gold-tone accents, delivering a distinctly feminine yet timeless look. A brand-new battery ensures reliable performance right out of the box, making it ready to wear from day one.

• Brand & Model: Seiko Tank Watch, reference 1N00-5A10
• Movement: Quartz for precise, low-maintenance timekeeping
• Dial & Hands: Black dial with clean baton indices and a 12-hour display
• Case & Bezel: Gold-tone stainless steel, fixed bezel, rectangular 15 mm case
• Band: Gold-tone stainless steel bracelet that complements the case
• Vintage Character: A true vintage Seiko design, showcasing a classic tank style that pairs beautifully with both casual and dressy outfits
• Water Resistance: Not water resistant — suitable for daily wear but avoid immersion
• Condition & Accessories: Pre-owned but in good working order; worn with visible scratches/scuffs typical of regular use; may have been sized; no papers, box, or manual included
• Battery Status: Includes a new battery for immediate use
• Fit Information: Last photo indicates the maximum wrist size it can accommodate; sizing may vary by wearer

This Seiko tank-style watch stands out with its compact 15 mm case and the warm glow of a gold-tone finish, making it a versatile accessory for modern women who want a vintage vibe without sacrificing reliability. The black dial offers strong contrast for easy readability, while the gold-tone bracelet adds a touch of sophistication to any ensemble—think tailored blazers, knitwear, or a little black dress.

Who will love this watch? Ideal for collectors of mid-century-inspired pieces, professionals seeking a subtle statement piece, or anyone who appreciates a distinctive rectangular silhouette that’s easy to pair with both everyday outfits and evening attire. The quartz movement ensures you won’t miss a beat, and the new battery means you can enjoy accurate timekeeping from day one.

How this timepiece compares to other options: it combines a true vintage Seiko design with a compact, wearable 15 mm case and a gold-tone stainless steel bracelet that feels substantial yet lightweight on the wrist. The fixed bezel and baton indices offer a clean, uncluttered look, while the rectangular shape sets it apart from round-dial designs—making it a standout accessory rather than a generic wristwatch.

Practical tips to get the most from this Seiko: store it away from strong magnets to protect the movement, avoid submerging it in water, and if you’re between sizes, consider links or micro-adjustment options to dial in the perfect fit. Its vintage provenance and distinctive geometry also make it a thoughtful gift for someone who appreciates timeless craftsmanship.

If you have questions, send a message anytime. Be sure to explore our store for more vintage Seiko pieces and take advantage of combined shipping on multiple purchases. International buyers: please message us before checkout to coordinate shipping options.