## [NEW BATTERY & STRAP] Vintage SEIKO Quartz Tank 7430-5230 Gold (1984) — Rare GHA Case with Toshiba Commemorative Engraving Up for auction is an exceptionally elegant vintage SEIKO Quartz "Tank" dress watch from May 1984. This timepiece has been freshly serviced for this auction with a **brand new battery** and a **brand new high-quality aftermarket black leather strap (crocodile pattern)**. It is ready to wear and enjoy immediately! --- ### 【Highlight Features】 * **Freshly Serviced:** Equipped with a brand-new battery (replaced in July 2026) and running perfectly. * **Brand New Strap:** Fitted with a high-grade, unworn black leather strap. * **GHA (Gold Hard Alloy) Case:** This model features Seiko's proprietary GHA scratch-resistant hardened gold coating, which retains its brilliant luster far better than standard gold plating. * **Elegant Dial & Crown:** Beautiful textured "gold flake / sand-textured" dial paired with an elegant black cabochon-tipped crown. * **Historical Value:** The case back features a beautifully preserved, crisp engraving commemorating an employee's "25 Years of Service at TOSHIBA Corporation" in 1984. This adds a unique touch of Japanese corporate history, highly sought after by vintage Seiko collectors (JDM). --- ### 【Specifications】 * **Brand:** SEIKO * **Model/Case Code:** 7430-5230 * **Serial Number:** 450450 (Manufactured in May 1984) * **Movement:** Quartz (Cal. 7430 / Made in Japan) * **Dial:** Textured Gold Dial (Dial code: 7430-8380 D) * **Case Material:** GHA (Gold Hard Alloy) with Stainless Steel Back * **Crown:** Cabochon-tipped * **Band:** Brand New Aftermarket Black Leather Strap (Crocodile-embossed) --- ### 【Size (Actual Measurements)】 * **Case Width:** Approx. 25.1 mm (excluding crown) * **Wrist Size:** Adjustable (fits up to approx. 19.5 cm with the brand new strap) * Please refer to the caliper and cone images for exact measurements. --- ### 【Condition】 * **Movement:** Keeping perfect time with a newly installed battery. * **Glass:** Very clean and clear with no major scratches. * **Case & Back:** The GHA gold case remains remarkably bright and sharp with minimal signs of wear. The stainless steel back has minor vintage hairlines, but the Toshiba commemorative engraving remains perfectly crisp and clean. * **Strap:** Brand new, unworn condition. * Please study the high-resolution photos carefully as they form an important part of the description. --- ### 【Accessories】 * **None** (Watch only with brand-new strap. No box or original papers included). --- ### 【Shipping & Customs】 * The watch will be securely packed with bubble wrap and shipped in a sturdy box via a tracked and insured courier service. * **International Buyers Note:** Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.