Vintage SEIKO Quartz wristwatch, reference 6431-5050, dating from approximately 1983. This model features a distinctive rounded square stainless steel case with a textured silver/off-white dial, simple baton hour markers, and a slim vintage design characteristic of SEIKO quartz watches from the early 1980s. The watch is powered by the SEIKO Caliber 6431 quartz movement. The battery was replaced in September 2026, and the watch is currently running. The case measures approximately 31.8 mm across excluding the crown. The watch shows visible signs of age and previous use, including scratches and surface wear on the case and case back. The dial also shows some age-related spotting and discoloration. Please carefully review all photographs for the exact cosmetic condition. The watch is fitted with a silver-tone metal mesh bracelet. The bracelet fits a wrist of approximately 18 cm. As this is a vintage watch, water resistance has not been tested and cannot be guaranteed. No original box, papers, or warranty are included. ⸻ Shipping & Customs Policy For items with a final auction price of €250 or less, shipping will generally be carried out via Japan Post ePacket Light (registered airmail). The estimated delivery time for ePacket Light is approximately 2–3 weeks, depending on the destination country and customs clearance process. For items sold for over €250, shipping will be upgraded to DHL Express to ensure faster delivery, improved tracking, and enhanced security. Due to changes in customs procedures, Japan Post shipping is temporarily unavailable for items valued at less than €150 sent to the following EU countries: Austria, Denmark, Germany, Finland, France, Belgium, Portugal, Luxembourg, and the Czech Republic. For these shipments, we will make a special arrangement to ship via DHL Express instead. Please note that any customs duties, import taxes, VAT, or other charges imposed by the destination country, as well as any customs clearance or handling fees charged by the carrier, are the responsibility of the buyer. These charges are not included in the item price or shipping cost. This also applies to shipments sent via DHL Express under the special arrangement described above. Customs regulations vary by country, so please check with your local customs office before bidding. The item will be declared at the full final auction price. Undervaluation or marking the item as a gift is not possible. All items are carefully packed, shipped from Japan, and provided with tracking information.