Seikomatic Blue Yacht – 17 Jewels Automatic | Full Original Vintage An elegant and increasingly collectible Seikomatic Blue Yacht, representing Seiko’s early generation of high-quality automatic dress watches from the 1960s. Featuring its beautiful original silver sunburst dial, slim polished case, and the iconic Blue Yacht sailboat caseback medallion, this is a highly desirable example for collectors of vintage Japanese timepieces. Powered by Seiko’s reliable 17-jewel automatic movement, the watch offers the refined engineering and understated styling that helped establish Seiko as a world-class watchmaker during the golden era of Japanese horology. This example remains 100% full original, fitted only with a later genuine leather strap. ⸻ Specifications * Brand: Seiko * Model: Seikomatic Blue Yacht * Movement: Seiko Automatic * Jewels: 17 Jewels * Dial: Original Silver Sunburst Dial * Crystal: Original Acrylic Crystal * Case Material: Stainless Steel * Crown: Original Unsigned Crown * Caseback: Original Blue Yacht Sailboat Medallion * Shock Protection: Diashock * Water Resistance: Water Proof (original vintage marking) * Strap: Genuine Leather Strap (Aftermarket) * Country of Manufacture: Japan ⸻ Condition * 100% full original watch retaining its original dial, hands, movement, crystal, case, crown, and Blue Yacht caseback. * Beautiful original silver sunburst dial with clean printing and excellent vintage character. * Applied hour markers and dauphine hands remain in very good original condition. * Stainless steel case has been carefully preserved with only light signs of age and normal vintage wear. * Original acrylic crystal remains fitted with minor surface marks consistent with age. * Original Blue Yacht sailboat medallion on the caseback is sharp and well preserved. * Fitted with a later genuine leather racing-style strap. * Original Seiko automatic movement has been tested using a timegrapher and monitored during daily wear to confirm reliable operation. * Running correctly and keeping good time for a vintage mechanical watch. * Please review all photographs carefully, as they form part of the description. ⸻ Important Notes * This is a 100% full original Seikomatic Blue Yacht, with only the leather strap being a later replacement. * The watch has been tested on a timegrapher and observed during regular daily wear. * Vintage mechanical watches are not expected to perform to modern chronometer standards. * Due to its age, the original water-resistance marking is historical only and water resistance is not guaranteed. * Customs duties, VAT, and import taxes remain the responsibility of the buyer. ⸻ Historical Background Introduced during the early 1960s, the Seikomatic Blue Yacht series was part of Seiko’s premium automatic lineup, produced before the arrival of the famous Lord Matic and King Seiko collections. These watches showcased Seiko’s rapidly advancing movement technology while maintaining elegant dress-watch proportions and exceptional finishing. The distinctive Blue Yacht designation, highlighted by the sailboat medallion engraved on the caseback, has become one of the most recognizable and collectible Seikomatic variants. Combined with its refined sunburst dial, applied markers, and dependable automatic movement with Diashock protection, the Blue Yacht remains a highly sought-after model among collectors of early vintage Seiko watches. Today, complete and well-preserved original examples are increasingly difficult to find, making the Seikomatic Blue Yacht an excellent addition to any serious vintage watch collection.