Seiko Seikomatic Weekdater 6206-8990 (1964)

Now available at auction from Second Vintage This Seiko Seikomatic Weekdater is a superb example of mid-century Japanese horology, blending sophisticated design with everyday practicality. The Weekdater series is celebrated for its distinctive day-date layout, and this gold-plated model exudes a refined elegance characteristic of 1960s dress watches. The crisp sunburst dial and applied indices offer a compelling aesthetic that continues to resonate with collectors seeking both style and substance in vintage Seiko. Brand: Seiko Model: Seikomatic Weekdater Reference Number: 6206-8990 Serial Number: 4003087 Movement: Automatic, 26 Jewels Dial: Silver sunburst, clean condition with applied gold-tone indices Case Size: 37 mm (excluding the crown) Case Material: Gold Plated (EGP) over Stainless Steel Production Year: 1964 Condition: Good vintage condition, appealing preservation Dial and Hands The dial features a beautiful silver sunburst finish that remains remarkably clean and well-preserved. It is adorned with applied, faceted gold-tone indices that catch the light elegantly. The signature "Seikomatic Weekdater" script is sharply printed below the applied Seiko gyro logo at twelve o'clock. The day is displayed in a framed window at the six o'clock position, while the date is positioned at three o'clock, both featuring crisp black typography. The faceted gold-tone dauphine hands are in excellent condition, complementing the indices perfectly. The dial edge features a printed minute track, and the text "WATER 30 PROOF DIASHOCK 26 JEWELS" is clearly visible above the day window. Case and Crystal The 37mm gold-plated case presents a classic dress watch silhouette with gently curving lugs. The gold plating shows honest signs of vintage wear, with some softening of the edges and minor surface scratches consistent with careful use over the decades. The caseback is stainless steel and features the iconic Seiko dolphin motif, along with clear engravings of the serial number 4003087, reference 6206-8990, and "EGP" denoting the gold plating. The watch is fitted with a domed acrylic crystal, period-correct to the model, which is clear and free from major distracting scratches, providing an unobstructed view of the pristine dial. Movement This timepiece is powered by a Seiko 26-jewel automatic movement, a reliable and respected caliber from the era. Performing well within expected vintage tolerances; running strong and steady. The timegrapher result is +18 to +25 seconds per day. Strap The watch is fitted with a rich burgundy leather strap featuring contrasting yellow stitching. The strap exhibits some wear and creasing from use, particularly around the buckle holes, but remains pliable and complements the gold tones of the case beautifully. It is secured with a gold-tone pin buckle. Condition The watch is in good vintage condition. The dial is exceptionally well-preserved, standing out as a highlight of this piece. The gold-plated case shows normal signs of age and wear, including some light scratches and minor wear to the plating on the sharper edges, which is typical for EGP cases of this vintage. The caseback engravings remain legible. Dimensions Case Size: 37 mm (excluding the crown) Remarks This Seikomatic Weekdater offers a fantastic opportunity to acquire a classic 1960s Seiko with a highly attractive dial configuration. The combination of the day window at six o'clock and the clean sunburst dial makes it a standout piece for any vintage enthusiast. History Introduced in the early 1960s, the Seikomatic line represented Seiko's push towards high-quality automatic watches for the everyday consumer. The "Weekdater" models, characterized by their prominent display of both the day of the week and the date, became highly popular for their utility and clean design. These watches laid the groundwork for Seiko's enduring success in producing reliable, feature-rich automatic timepieces, making them a significant part of the brand's mid-century history. / Second Vintage SKU: SEI-SMW-0002