Seiko Seikomatic Self Dater 光織 15022 (1960-1969)

Available now on auction by Second Vintage This is a remarkable example of the Seikomatic Self Dater, a model that played a pivotal role in Seiko's ascent to global watchmaking dominance during the 1960s. As one of the brand's premium automatic offerings of the era, this timepiece combines the elegance of a classic dress watch with the robust engineering Seiko is famous for. Its warm gold-plated case and radiant silver sunburst dial create a sophisticated aesthetic that rivals Swiss counterparts of the same period, making it an excellent choice for the collector who appreciates mid-century Japanese horology. Brand: Seiko Model: Seikomatic Self Dater Reference Number: 15022 Movement: Seikosha Automatic 24 Jewels Dial: Silver sunburst with applied gold-tone indices Case Size: 36 mm (excluding the crown) Case Material: Gold Plated (20 Microns) Production Year: c. 1960s Condition: Excellent vintage condition Dial and Hands The silver sunburst dial is the standout feature of this timepiece, preserved in beautiful condition with a bright and consistent finish that catches the light dynamically. It features substantial applied gold-tone baton indices that add depth and legibility. The dauphine-style hands are sharp and polished, coordinating perfectly with the hour markers. The text is crisp, displaying the "Seikomatic" script and "Self Dater" designation, along with the distinct star logo at the six o'clock position. A framed date window is positioned at three o'clock, completing the balanced layout. Case and Crystal The 36 mm case is finished in 20-micron gold plating, offering a luxurious presence on the wrist. The case lines remain defined, featuring the signature recessed crown at the four o'clock position, a design choice intended to emphasize the efficiency of the automatic winding system. The caseback features the period-correct Seikomatic script and emblem. The crystal is clear and presents well, allowing for an unobstructed view of the dial. Movement Powering this watch is the robust Seikosha automatic caliber with 24 jewels. The movement features a gold-tone rotor and is highly regarded for its durability. Timegrapher testing shows the watch is running between -7 and -15 seconds per day, which indicates a healthy movement offering reliable vintage performance. Strap The watch is fitted with a brown leather strap featuring a crocodile grain pattern and contrasting stitching. It is paired with a gold-tone buckle that complements the case finish, ensuring a comfortable and secure fit for wrist sizes up to standard measurements. Condition This vintage timepiece is in excellent condition. The dial is exceptionally clean for its age, free from significant aging or damage. The gold-plated case shows honest signs of vintage wear consistent with careful use, with the plating remaining largely intact. The movement is clean and functioning within acceptable vintage tolerances as noted by the timegrapher results. Dimensions With a case diameter of 36 mm excluding the crown, the watch sits comfortably on the wrist, offering a classic mid-century profile that slips easily under a shirt cuff. Remarks The Seikomatic line was introduced as a high-end automatic series for the Japanese domestic market, sitting just below the Grand Seiko and King Seiko lines in terms of hierarchy. The "Self Dater" specifically highlighted the addition of the date complication, which was a significant feature at the time. This reference 15022 is a testament to the "Grammar of Design" era that was beginning to take shape, offering a timeless look that remains stylish today. History Seiko, founded in 1881 by Kintaro Hattori, transformed the watch industry with its dedication to precision and innovation. The 1960s were a golden era for the brand, marked by the introduction of the Seikomatic range which set new standards for automatic watches in Japan. These watches were designed to be daily drivers for the rising business class, combining practicality with understated luxury. Today, the Seikomatic is celebrated by collectors for offering exceptional value and historical significance as a precursor to modern Seiko precision. / Second Vintage SKU: SEI-SMJ-0008