Seiko Yomiuri 100th Anniversary 6106-7700 (1974)

Now available at auction from Second Vintage This striking 1974 Seiko commands attention with a vibrant green textured dial, produced as a special edition celebrating the 100th anniversary of Yomiuri. Housed beneath a distinctive faceted crystal, this sought-after corporate co-branded timepiece presents a highly compelling configuration for the dedicated collector. Brand: Seiko Model: Yomiuri Reference Number: 6106-7700 Serial Number: 462794 Movement: Automatic, Caliber 6106C, 23 Jewels Dial: Green textured with gold-tone indices and Yomiuri 100th anniversary branding Case Size: 38mm (excluding the crown) Case Material: Stainless Steel Production Year: 1974 Condition: Good vintage condition. Timegrapher: -18-20s.day, performing remarkably well. Dial and Hands The striking green textured dial is preserved in excellent condition, presenting a vibrant and highly legible special edition layout. Applied gold-tone Seiko branding and indices contrast beautifully against the textured surface, complemented by printed gold-tone Yomiuri text and the 100th anniversary logo. A day-date window with a gold-tone frame sits at the three o'clock position, displaying the English day wheel. No significant spotting, staining, or damage is visible on the dial surface. The original gold-tone faceted baton hands feature black center stripes, paired with a gold-tone sweep second hand. Minor oxidation and dust are visible on the hands under macro inspection, representing light, age-appropriate wear. Case and Crystal The cushion shaped stainless steel case retains its honest vintage geometry. The polished surfaces show moderate scratching and scuffing consistent with age and use, alongside some minor dings visible on the case edges. The bezel is integrated directly into the case design. An unsigned crown is recessed at the four o'clock position and shows normal wear. The watch is fitted with a distinctive faceted crystal, which exhibits light surface scratches and scuffs, particularly along the facet edges. Movement Powering the watch is the Seiko caliber 6106C, a 23-jewel automatic movement. The rotor and bridges feature standard finishing and carry clear engravings for Seiko, 23 Jewels, Japan, and the caliber number. The movement appears generally clean, though some dirt and grime accumulation is visible around the outer case edge where the caseback seats. The timegrapher records a rate of -18-20s.day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is paired with a complementary green leather strap that perfectly matches the vibrant dial. The reverse is marked with '18 BAMBI' and the material shows light wear. Condition Good vintage condition. The stainless steel case displays honest wear, with moderate scratching, scuffing, and minor dings expected from a watch of this era. The distinctive faceted crystal shows light surface scratches along its edges. The special edition dial remains in excellent condition, free of visible staining or damage, while the hands show minor oxidation under close inspection. Supported by the recorded timegrapher result, the movement is performing very strongly. Dimensions The case measures 38mm (excluding the crown). Remarks This Seiko offers a special opportunity to acquire a corporate anniversary model with a truly vibrant aesthetic. The combination of the textured green dial, faceted crystal, and Yomiuri co-branding makes this a highly appealing target for enthusiasts of unique 1970s Japanese horology. History During the 1970s, Seiko occasionally partnered with prominent Japanese organizations to produce commemorative timepieces for special milestones. The Yomiuri Shimbun, one of Japan's major national newspapers, commissioned this specific dial configuration to celebrate its 100th anniversary. These co-branded editions provide a fascinating glimpse into Japanese corporate history and remain highly interesting to collectors. The caliber 6106 within is a robust automatic movement from Seiko's golden era, widely respected for its durability and reliable architecture. / Second Vintage SKU: SEI-YXX-0001