Seiko - Seikomatic Weekdater - No reserve price - 6206-8990 - Men - 1964

Now available at auction from Second Vintage The Seikomatic Weekdater represents a golden era of Japanese watchmaking, combining sophisticated mid-century design with robust automatic performance. Highly regarded among collectors for its distinctive day-at-six aperture, the Weekdater bridges the gap between everyday practicality and executive elegance. This specific reference 6206-8990 captures the essence of 1960s Seiko aesthetics, offering a beautifully balanced dial, sharp faceted indices, and a thoughtfully recessed crown that highlights the seamless symmetry of the stainless steel case. It is a brilliant example of Suwa Seikosha craftsmanship that remains remarkably wearable and compelling today. Brand: Seiko Model: Seikomatic Weekdater Reference Number: 6206-8990 Serial Number: 4N01785 Movement: Automatic Caliber 6206A, 26 jewels, timegrapher reads +50 to +54 seconds per day Dial: Silver sunburst dial with applied faceted indices, exceptionally clean and well-preserved Case Size: 37 mm (excluding the crown) Case Material: Stainless steel Production Year: 1964 Condition: Excellent vintage condition, displaying a remarkably pristine dial and honest case wear Dial and Hands The silver dial features a magnificent sunburst finish that radiates beautifully from the center, remaining exceptionally clean and free of the heavy spotting or moisture damage often seen in models of this age. The typography is crisp, with the Seikomatic name applied in elegant serif cursive above the block text Weekdater designation. The dial is appointed with highly polished, applied faceted baton indices, featuring a prominent double baton at the twelve o'clock position. The iconic day window resides perfectly at the six o'clock mark, displaying the day in a vibrant blue text, while the framed date window sits at three o'clock. The sharp, faceted dauphine hands have aged remarkably well, retaining their original geometry and catching the light brilliantly. The dial condition is stunning, showing only the faintest microscopic signs of natural aging, ensuring a highly attractive and collector-worthy appearance. Case and Crystal The 37 mm stainless steel case showcases quintessential 1960s Seiko proportions, characterized by its smooth polished bezel and gracefully sweeping lugs. The transition between the case flanks and the lug tops remains well-defined, exhibiting honest handling marks and light surface scratches consistent with careful vintage wear, without any signs of aggressive over-polishing. A defining feature of this reference is the recessed, slightly fluted crown positioned at four o'clock, allowing the automatic movement to take precedence while providing a perfectly symmetrical case profile. The domed acrylic crystal rises elegantly above the bezel, presenting a clear view of the dial beneath with only minor surface wear. The brushed, snap-on stainless steel caseback is clearly stamped with the serial number and Suwa factory markings. Movement Powering this timepiece is the Seiko Caliber 6206A automatic movement, a 26-jewel mechanism renowned for its durability and smooth operation. The movement features a striking gold-toned finish across its plates and rotor, proudly engraved with the Seiko branding and jewel count. Running and operational, offering reliable vintage performanc). The timegrapher results indicate a deviation of +50 to +54 seconds per day. Strap The watch is fitted with a period-correct, high-quality black leather strap. The strap features prominent white contrast stitching along its edges, providing a subtle sporty aesthetic that complements the sharp dial hands beautifully. It is secured by a standard polished stainless steel pin buckle. Condition This Seikomatic Weekdater is presented in excellent vintage condition. The dial is a standout feature, remaining incredibly crisp, bright, and free of significant blemishes or degradation. The stainless steel case retains good structural integrity with normal, age-appropriate surface wear, preserving its classic factory lines. The movement is clean and fully operational, making this a highly preserved and attractive example for the discerning collector. Dimensions Case diameter is 37 mm excluding the crown. Remarks Finding a 6206-8990 Weekdater with such an immaculately preserved silver sunburst dial is a true pleasure. The day-at-six layout is widely considered one of Seiko's most balanced and visually satisfying designs from the period. This watch offers immense charm and historical significance, making it an excellent addition to any serious collection of mid-century Japanese horology. History Introduced in the early 1960s, the Seikomatic line was designed to offer premium, fully automatic timepieces to the Japanese domestic market, paving the way for the sophisticated automatic movements that would later power the Grand Seiko and King Seiko collections. The Weekdater, specifically equipped with the Caliber 6206, became an instant classic due to its innovative and highly legible day and date layout. Produced by the legendary Suwa Seikosha factory, the Weekdater represents a pivotal moment in Seiko's history, showcasing their ability to mass-produce reliable, elegant, and technologically advanced automatic watches that rivaled the best of their Swiss counterparts. / Second Vintage SKU: SEI-SMW-0012