Seiko Seikomatic-P 銀閃 – Ginsen 5106-7030 (1969)

Now available at auction from Second Vintage This Seikomatic-P is a remarkable example of late 1960s Japanese horology, showcasing the innovation and design prowess of the Daini Seikosha factory. Known for its high jewel count and unique complications, the "P" in the model name is widely believed to stand for "Presmatic," referring to its distinctive push-button date quickset mechanism. With a captivating textured dial and a robust 33-jewel movement, this timepiece represents a sophisticated blend of dress watch elegance and daily-wear durability. It stands as a testament to a golden era of mechanical watchmaking before the quartz revolution, making it a desirable find for collectors valuing engineering and aesthetic details. Brand: Seiko Model: Seikomatic-P Reference Number: 5106-7030 Serial Number: 921545 Movement: Automatic Caliber 5106A Dial: Silver Linen Case Size: 37 mm Case Material: Stainless Steel Production Year: 1969 Condition: Excellent vintage condition Dial and Hands The silver dial features a stunning horizontal linen or brushed texture that catches the light beautifully, creating a dynamic visual depth. It is adorned with polished, facet-cut applied baton indices featuring black center inlays for high contrast. The sharp dauphine hands match the indices perfectly, also sporting black center stripes. A framed day-date window is positioned at 3 o'clock, with the Daini lightning bolt logo and "33 JEWELS" printed crisply above the 6 o'clock position. The overall preservation of the dial is exceptional, showing no significant staining or damage. Case and Crystal The stainless steel case features a distinctive cushion shape typical of the late 1960s, offering a comfortable and substantial presence on the wrist. The case lines remain defined, with the surfaces showing honest signs of vintage wear, including light scratches and handling marks expected from a watch of this age. The unique hexagonal crown, integrated flush with the case at the 3 o'clock position, is a signature design element of this reference, serving as the push-button for the date quickset. The acrylic crystal is clear and presents well, allowing for an unobstructed view of the textured dial. Movement Powering this watch is the high-grade Seiko Caliber 5106A automatic movement, boasting an impressive 33 jewels. This sophisticated calibre features a unique quickset date mechanism activated by pressing the crown, a technical marvel of its time. The movement also supports hacking seconds for precise time setting. Timegrapher testing indicates a rate of +16s to +22s/day, which indicates a healthy movement offering reliable vintage performance. Strap The watch is fitted with a vintage stainless steel multi-link bracelet that complements the case design perfectly. It features a signed Seiko folding clasp. Usually fits wrists up to approximately 17.5 cm. The bracelet shows moderate stretch and surface wear consistent with the watch head. Condition This timepiece runs within vintage tolerances as confirmed by timegrapher results. The aesthetic condition is excellent for its age, with the case showing normal wear without signs of abuse or over-polishing. The movement is clean and the unique complications are functioning features of this collectible calibre. Dimensions With a case diameter of 37 mm excluding the crown, the watch offers a modern wearing experience that sits prominently on the wrist thanks to its cushion case design. The lug-to-lug measurement ensures a balanced profile suitable for a variety of wrist sizes. Remarks The Seikomatic-P 5106-7030 is a cult classic among vintage Seiko enthusiasts due to its "Pre-Presmatic" lineage and the unique hexagonal button-crown. The linen dial variant is particularly sought after for its intricate finishing which rivals much higher-priced Swiss contemporaries of the era. History Produced in February 1969 by the Daini Seikosha division, this Seikomatic-P emerged during a intensely competitive period between Seiko's Suwa and Daini factories. This internal rivalry drove rapid advancements in movement quality and design. The 5106 calibre was a high-end mass-production movement that bridged the gap between standard automatics and the Grand Seiko lines, offering features like hacking and instant date changes that were advanced for the consumer market at the time. /Second Vintage SKU: SEIA143W60000