A vintage Longines wristwatch featuring a distinctive cushion-shaped stainless steel case, original blue sunburst dial, and date display. Its balanced proportions and understated styling capture the bold yet elegant aesthetic that defined many Swiss watches of the 1970s. Stylistically representative of Longines wristwatches from the mid-1970s (estimated), this model combines a vibrant blue dial with a cushion case and applied hour markers, design elements that have become increasingly appreciated among collectors of vintage Swiss timepieces. The estimated production period and movement are based on the visible characteristics and should be regarded as informed estimates. ━━━━━━━━━━━━━━━━━━ Specifications　WATCH ━━━━━━━━━━━━━━━━━━ Case Diameter: Approximately 28.4 mm Case Thickness: Approximately 10 mm Lug Width: Approximately 13.8 mm Wrist Size: Up to approximately 17.5 cm Movement: Manual Winding (estimated Longines Cal. 431 series or similar) Material: Stainless Steel Crystal: Not confirmed Origin: Switzerland The watch measures approximately 28.4 mm in case diameter, approximately 10 mm in thickness, with a lug width of approximately 13.8 mm, and fits wrists up to approximately 17.5 cm. The watch shows signs of use consistent with prior ownership, including minor surface wear to the stainless steel case and light scratches to the crystal. The original blue dial displays light age-related patina, while the applied hour markers remain well preserved. No major structural damage was observed. The watch is reported to be in working condition and is fitted with an aftermarket leather strap rather than the original bracelet or strap. The case back is marked 588087 with case code 16. As the case has not been opened, the exact reference number and movement caliber cannot be confirmed. Based on the visible characteristics, the production period is estimated to be 1973–1977. A refined piece suitable for collectors and enthusiasts of vintage Longines watches and classic Swiss manual-winding timepieces. Shipping is from Japan, primarily via DHL, FedEx, or Japan Post. Depending on the buyer’s country, import duties or consumption tax may apply and are the responsibility of the buyer. Please note that courier collection is not available on weekends, so shipments are made on weekdays only. Notice for EU Buyers From July 1, 2026, shipments to EU countries may be subject to additional import-related charges, including customs processing fees, handling fees, import duties, VAT, or other customs-related charges, depending on the destination country and shipping carrier. These charges are determined by local customs authorities and/or the shipping carrier and are the buyer's responsibility. Please check your local import regulations before bidding or purchasing.