Presented for auction by Second Vintage This striking timepiece represents a fascinating era in Japanese watchmaking, combining Seiko’s renowned mechanical ingenuity with a highly sophisticated aesthetic. The Seikomatic line was conceived in the 1960s as a premium tier of automatic watches, boasting advanced features like the Diashock anti-shock system and sophisticated day-date complications. What sets this particular example apart is its prominent fluted bezel and the distinctive six o'clock placement of the day window, giving the watch a remarkably balanced and elegant symmetry. It is a brilliant representation of mid-century dress watch design, offering an elevated wrist presence that rivals its Swiss contemporaries. Brand: Seiko Model: Seikomatic Reference Number: 6206-8080 Serial Number: 6112180 Movement: Automatic Caliber 6206B, 26 Jewels Dial: Silver sunburst dial with faceted indices and framed day-date windows, presenting in exceptionally clean and well-preserved condition Case Size: 37 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1966 Condition: Excellent vintage condition with a pristine dial and strong case geometry Dial and Hands The dial of this Seikomatic is a masterclass in mid-century layout and finishing, featuring a radiant silver sunburst texture that catches the light beautifully from every angle. The dial condition is exceptional, remaining remarkably clean and vibrant, free from any visible moisture damage, heavy spotting, or distracting blemishes. It features applied, faceted baton indices with striking black central inserts at the primary hours, adding depth and legibility. The applied polished Seiko logo sits proudly below twelve o'clock, while crisp black typography denoting the Seikomatic Diashock heritage rests above the day window. A standout feature of the caliber 6206 is the fully spelled-out day display at six o'clock, perfectly balancing the date window at three o'clock, both of which are framed by sharp, polished metal borders. The polished dauphine hands are sharp and well-preserved, complementing the indices perfectly and completing the sophisticated aesthetic. Case and Crystal The 37 millimeter stainless steel case features a classic profile elevated by a stunning fluted bezel, a design choice that adds significant visual intrigue and a dressy character to the watch. The case retains strong lines with brushed upper lugs and polished case flanks, showing honest, light handling marks and superficial scratches consistent with normal vintage wear, without any signs of heavy over-polishing. The recessed crown at the four o'clock position maintains the sleek, uninterrupted silhouette of the case side. The watch is fitted with a domed acrylic crystal that remains clear and provides wonderful vintage distortion at the extreme edges. Turning the watch over reveals a stainless steel caseback featuring the iconic Seiko dolphin motif, alongside crisp engravings of the reference and serial numbers, denoting its water-proof heritage from the factory. Movement Powering this timepiece is the Seiko caliber 6206B, a highly regarded automatic movement featuring 26 jewels and the brand's proprietary Diashock protection system. Visually, the movement is a treat, finished with striking gold-toned plates and a matching signed rotor that present cleanly under inspection. Running in vintage operational condition. Maintains the authentic mechanical character of the era. Timegrapher results show a deviation of +35 to +42 s/d. Strap The watch is paired with a period-correct black leather strap featuring an alligator grain pattern and matching black stitching. The strap is supple and complements the dressy nature of the fluted bezel and silver dial perfectly, secured by a standard stainless steel pin buckle. Condition This timepiece is presented in excellent vintage condition. The absolute highlight is the stunningly preserved silver sunburst dial, which remains crisp, vibrant, and free of notable flaws. The stainless steel case and fluted bezel show normal, age-consistent wear with light surface scratches, but retain excellent overall definition and character. The hands and applied dial furniture are brilliant and highly reflective. Dimensions The stainless steel case measures a versatile 37 mm in diameter, excluding the recessed crown. This dimension, paired with the slim profile enabled by the recessed crown and the visually expansive silver dial, allows the watch to wear with a commanding yet refined presence on the wrist. Remarks Finding a vintage Seikomatic with a fluted bezel and this level of dial preservation is a true delight for collectors of classic Japanese horology. The symmetrical day-date layout provides a unique visual balance that is highly sought after, making this piece not just a reliable vintage timekeeper, but a fantastic conversation starter. It transitions effortlessly from formal attire to smart-casual wear. History Introduced in the early 1960s, the Seikomatic line was positioned as a high-end range of automatic watches, serving as a platform for Seiko to showcase its advancements in self-winding technology and shock resistance. The 6200 series of calibers, including the 6206 found here, were integral to Seiko's catalog, eventually evolving to power some of the earliest automatic Grand Seiko models. The distinctive six o'clock day window was a hallmark of these sophisticated mid-century calibers, representing an era when Seiko was rapidly establishing itself as a global powerhouse in precision mechanical watchmaking. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and very securely packaged, and shipped with tracking and insurance for your peace of mind. We ship via fast express service, with typical delivery in 1–4 business days (destination dependent). Note that with vintage watches, minor signs of wear, aging, or imperfections may be present and are considered normal for watches of this age. Please review all photos carefully before bidding. We strive to photograph each watch from multiple angles for the most accurate representation. The photos form an important part of the description. If there are any concerns of functionality or defects after delivery, make sure to contact us within 3 days of receiving the watch so we can assist you. As with all vintage watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-SMD-0002