Seiko - Seikomatic Weekdater - No reserve price - 6218-8970 - Men - 1960-1969

Available now on auction by Second Vintage The Seiko Seikomatic Weekdater stands as a testament to Japan's golden era of watchmaking in the 1960s, blending sophisticated mechanical engineering with sharp, timeless aesthetics. Known for its distinct dual-calendar layout featuring a prominent full-day display at the six o'clock position, this reference 6218-8970 represents the upper echelon of Seiko's automatic offerings of its time. With its elegant sunburst dial, faceted indices, and a robust 35-jewel movement, this timepiece is a highly collectible classic that perfectly captures the mid-century executive aesthetic. Brand: Seiko Model: Seikomatic Weekdater Reference Number: 6218-8970 Movement: Automatic Caliber 6218C, 35 Jewels Dial: Silver sunburst dial with applied faceted indices, showing light age-consistent spotting and oxidized hands Case Size: 37 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1960s Condition: Good vintage condition with honest wear and an attractive, evenly aged dial Dial and Hands The silver sunburst dial is a striking example of Seiko's mid-century design language, featuring applied faceted baton indices that catch the light beautifully. The dial presents a highly legible layout with a framed date window at three o'clock and the signature full-day aperture at six o'clock. A sloped outer minute track adds depth to the display. The dial remains in very attractive condition, exhibiting light age-consistent patina, including subtle spotting and surface aging visible under close inspection. The dauphine hands display distinct oxidation and patina, particularly on the minute hand, adding authentic vintage character to the watch without compromising its elegant appeal. Case and Crystal The 37mm stainless steel case features classic proportions with sharp, faceted lugs that retain their distinct architectural lines. The smooth polished bezel provides a seamless transition to the domed acrylic crystal, which remains clear and well-preserved with only minor surface reflections. The case flanks and lugs exhibit honest signs of wear, including fine hairline scratches and handling marks consistent with its age, but show no major gouges. The recessed crown at four o'clock maintains the sleek profile of the case. The snap-on caseback is polished smooth on the exterior, while the interior correctly bears the 6218-8970 reference stamping. Movement Powering this Weekdater is the impressive Seiko Caliber 6218C automatic movement, clearly marked with its 35-jewel count on the brushed winding rotor. The movement presents cleanly, showcasing the intricate engineering typical of Seiko's premium calibers from this era, complete with Diashock protection. Performing well within expected vintage tolerances; running strong and steady. The timegrapher records a performance of 27s+35s/day. Strap The watch is fitted with a black leather strap featuring a classic crocodile-grain texture, brown lining, and a stainless steel pin buckle. The strap is in excellent condition, offering a comfortable fit and complementing the dressy nature of the timepiece perfectly. Condition This Seikomatic Weekdater is presented in good vintage condition. The case retains strong lines despite normal age-related wear, and the dial has aged beautifully with only minor spotting. The hands show notable oxidation, which is a common and honest trait for this reference. The movement is operational and running steadily, making this a wonderful piece for any vintage enthusiast. Dimensions The case measures 37 mm in diameter excluding the crown, providing a substantial yet highly wearable presence on the wrist that bridges the gap between vintage charm and modern sizing preferences. Remarks The Seikomatic Weekdater remains one of the most beloved designs from Seiko's mid-century catalog. Its combination of a highly jeweled movement, sophisticated day-date display, and sharp case geometry makes it an enduring favorite among serious collectors of vintage Japanese horology. History Introduced in the 1960s, the Seikomatic line was designed to offer premium automatic watches to the burgeoning professional class in Japan. The Weekdater models, with their distinct layout displaying the full day of the week, quickly became a status symbol for businessmen. The caliber 6218 is renowned for its durability and high jewel count, representing Seiko's commitment to precision and longevity during a period when they were aggressively competing on the global horological stage. / Second Vintage SKU: SEI-SWJ-0004