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    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 1
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 2
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 3
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 4
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 5
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 6
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 7
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 8
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 9
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 10
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 11
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 12
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 13
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 14
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 15
    Seiko Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966 vintage watch - image 16
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    Seiko - Seikomatic - No reserve price - 6206-8040 - Men - 1966

    Seiko • 1966

    Sold for
    €226
    Sold on Jun 7, 2026
    24 bids104 watching

    About This Watch

    Now available at auction from Second Vintage The 1960s represented a golden era for Japanese horology, and the Seikomatic line stands as a proud testament to the brand's mastery of sophisticated daily-wear timepieces. This particular example captures the quintessential mid-century aesthetic with its highly balanced day-date layout, placing the day aperture prominently at the six o'clock position. Accompanied by the iconic dolphin motif engraved on the caseback, this watch embodies the charm, mechanical reliability, and timeless design language that has made vintage Seiko a cornerstone of modern collecting. Brand: Seiko Model: Seikomatic Reference Number: 6206-8040 Serial Number: 6106217 Movement: Automatic caliber 6206B with 26 jewels Dial: Silver sunburst dial with applied indices, showing light honest aging and a highly attractive overall preservation Case Size: 36 mm (excluding the crown) Case Material: Stainless steel Production Year: 1966 Condition: Good vintage condition with an exceptionally charismatic dial and normal case wear Dial and Hands The silver sunburst dial is a masterclass in mid-century symmetry, anchored by the distinct and highly desirable day-of-the-week aperture at six o'clock and a framed date window at three o'clock. The dial furniture includes a crisply applied SEIKO logo and faceted baton hour markers that catch the light beautifully. The classic dauphine hands are fitted with luminous inserts that have gracefully aged to a pale, creamy hue. Careful inspection of the dial reveals a beautifully preserved sunburst texture with only minor, age-consistent microscopic spotting near the outer chapter ring. The printed text, including the Diashock and jewel count designations, remains sharp and fully legible, making this a highly attractive and honest vintage face. Case and Crystal The 36 mm stainless steel case features a classic profile with a smoothly polished bezel and elegantly faceted lugs. The crown is uniquely recessed at the four o'clock position, providing a sleek, uninterrupted silhouette on the wrist. The case and bezel exhibit honest signs of wear, including localized surface scratches, minor handling marks, and a gentle softening of the factory chamfers consistent with decades of standard use. The domed acrylic crystal provides clear viewing of the dial, showing only light surface wear. The snap-on caseback is a highlight, proudly displaying the charming Seiko dolphin motif alongside deeply struck serial and reference numbers that remain highly legible. Movement Powering this timepiece is the impressive Seiko caliber 6206B automatic movement, featuring 26 jewels and the brand's proprietary Diashock shock protection system. The movement presents beautifully, with its vibrant gold-toned mainplate and rotor contrasting sharply against the steel components. Close inspection confirms crisp factory engravings across the rotor and bridges. Running in vintage operational condition. Maintains the authentic mechanical character of the era. Timegrapher results show +56 to +68 seconds per day. Strap The watch is paired with a handsome black leather strap featuring a classic alligator grain pattern and contrasting white stitching, which perfectly complements the silver tones of the dial and case. Condition This Seikomatic is presented in good vintage condition. The dial remains the standout feature, offering a clean and vibrant sunburst finish with only minor, acceptable signs of aging around the periphery. The stainless steel case retains its fundamental geometry while displaying normal vintage wear, surface marks, and softened edges from regular enjoyment. The movement is visually clean and operational, making this a very honest and appealing vintage package. Dimensions Case Size: 36 mm (excluding the crown) Remarks Combining an elegant symmetrical complication layout with enduring mechanical quality, this Seikomatic offers tremendous value and visual appeal. The dolphin caseback and recessed crown are subtle details that elevate the wearing experience for the discerning vintage enthusiast. History Introduced during a period of rapid innovation for Seiko, the Seikomatic family was designed to offer robust automatic winding in a refined, dress-oriented package. The specific layout featuring the day of the week at six o'clock became a beloved signature of Seiko's mid-1960s catalog, celebrated for its perfect visual balance. These watches were built to be reliable daily companions, and their enduring popularity today is a testament to the timeless nature of Seiko's mid-century design philosophy. / Second Vintage SKU: SEI16OFEB5000

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