Seiko Sportsmatic 久響 (Kyūkyō) 15017DE (1967)

Offered in this auction by Second Vintage A superb example of Seiko’s innovation in the 1960s, this Seiko Sportsmatic 17 Jewels reference 15017DE demonstrates the blend of modernist design and robust engineering that has endeared this model to collectors around the world. Its elegant 36mm stainless steel case, distinctive silver sunburst dial, and bold applied indices create a timeless look, while its classic proportions ensure versatile wear for both daily use and special occasions. Brand: Seiko Model: Sportsmatic Reference Number: 15017DE Serial Number: N213787 Movement: Automatic Dial: Silver sunburst with applied hour markers and minimal patina Case Size: 36mm (excluding crown) Case Material: Stainless steel Production Year: 1967 Condition: Very good vintage condition with light signs of age; running at +58 to +65 seconds per day per timegrapher, indicating decent movement health. Dial and Hands The original silver sunburst dial features sharp applied indices and the classic Seiko Sportsmatic signature. Delicate, even patina adds vintage character while preserving excellent legibility. The dauphine hands remain crisp and are complemented by a clean, unobtrusive minute track, reflecting the careful preservation of this piece. Case and Crystal The 36mm stainless steel case is well-preserved, displaying strong lugs and defined brushing along the top surfaces. Polished side profiles provide visual contrast and emphasize the period-correct design. The acrylic crystal is clear, showing only the lightest of surface marks, with no major scratches or hazing to detract from presentation. Movement Powered by Seiko’s reliable automatic Sportsmatic movement, this watch is currently running at +58 to +65 seconds per day as recorded on a timegrapher, which indicates healthy movement operation for this vintage era and reliable performance. Strap A black leather strap with bold white stitching accentuates the watch’s classic styling and is in excellent condition with minimal wear. It provides both comfort and an attractive appearance, harmonizing seamlessly with the vintage character of the watch. Condition This Seiko Sportsmatic is offered in very good vintage condition. Light surface wear is present on the case and there is a pleasing touch of patina on the dial, consistent with gentle use and careful ownership. No dents, deep scratches, or distracting marks are evident. The crystal remains clear and the watch performs well, running within the range reported by the timegrapher. Dimensions Case size: 36mm (excluding crown) Remarks This Seiko Sportsmatic 17 Jewels stands out for its clean dial, pronounced vintage character, and excellent wearability. A true example of Seiko’s mid-century design ethos, it will please collectors seeking authenticity, style, and performance in a classic Japanese automatic. History The Sportsmatic series marked a key chapter in Seiko’s pursuit of automatic watch innovation throughout the 1960s. This era introduced reliable movements and enduring designs that set the standard for generations of Seiko models to come. The reference 15017DE exemplifies this legacy, making it a sought-after addition to any vintage watch collection. / Second Vintage SKU: SEI-SSJ-0008