[Introduction] Seiko 5 Actus SS 25 Jewels Ref. 6106-8660 is a vintage automatic wristwatch produced in Japan. Featuring a champagne dial with applied baton hour markers, day-date display at 3 o’clock, and a stainless steel case and bracelet, this model reflects the sporty yet refined design language of the Seiko 5 Actus line. The dial is marked “SS 25 Jewels,” indicating its mechanical automatic movement. [Historical & Collector Value] The Seiko 5 Actus series was introduced in the late 1960s as a more youthful and modern interpretation of the Seiko 5 concept. Equipped with the 6106 automatic caliber, these watches offered reliability, day-date functionality, and durable construction. Models from the early 1970s are appreciated for their clean dial layouts, solid cases, and practical everyday usability, making them attractive to collectors of vintage Japanese mechanical watches. Specifications ◇ Brand: Seiko ◇ Model: 5 Actus SS ◇ Reference: 6106-8660 ◇ Movement: Automatic (Cal. 6106, 25 jewels) ◇ Functions: Hours, minutes, seconds, day-date display ◇ Dial Color: Champagne ◇ Case Material: Stainless steel ◇ Bracelet: Stainless steel bracelet ◇ Case Diameter: Approx. 36 mm ◇ Wrist Size: Approx. 18–21 cm ◇ Water Resistance: Water Resistant ◇ Country of Manufacture: Japan ・Condition The watch shows signs of normal use consistent with age, including light surface scratches on the case and bracelet. The dial shows minor aging and small marks. Please refer to the photos for detailed cosmetic condition. ・Service History Operational checks have been performed and the watch is functioning at the time of listing. As an automatic mechanical watch, it does not require a battery. Future maintenance may be required depending on usage and buyer standards. ・Shipping & Customs The watch will be shipped from Japan and carefully packed to ensure safe delivery. International shipping is available. Please note that any customs duties, VAT, or import taxes are the responsibility of the buyer.