Vintage SEIKO Quartz reference 6431-5100. This elegant vintage dress watch features a gold-tone cushion-shaped case combined with a textured gold dial and slim baton indices. Its classic minimalist design makes it suitable for both formal and casual wear. The watch is powered by a reliable SEIKO quartz movement. A battery replacement was completed in June 2026 and the watch is currently running. The crystal shows light scratches consistent with age and use. The case has minor wear and small scratches. The dial remains attractive with light signs of aging. The leather strap shows noticeable wear and cracking and may eventually require replacement depending on the buyer’s preference. Please review all photographs carefully as they form part of the description. ⸻ 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. Please note that any customs duties, import taxes, VAT, or other charges imposed by the destination country are the responsibility of the buyer. These charges are not included in the item price or shipping cost. 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.