Presented for auction by Second Vintage A beautiful example of Seiko's mid-century design prowess, this Skyliner combines elegant dress watch proportions with the robust engineering that defined the brand's 1960s output. Featuring a striking silver sunburst dial and the highly desirable Seahorse engraved caseback, this timepiece represents a fantastic opportunity for collectors seeking a refined, mechanical vintage Seiko in exceptional aesthetic condition. Brand: Seiko Model: Skyliner Reference Number: 6220-9970 Serial Number: 6402365 Movement: Manual wind, Caliber 6220C, 21 Jewels Dial: Silver sunburst dial with applied faceted baton indices, exceptionally clean with a vibrant blue text detail Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: April 1966 Condition: Excellent vintage condition with a remarkably well-preserved dial and sharp case lines Dial and Hands The dial is a true standout, featuring a brilliant silver sunburst finish that catches the light beautifully. It is adorned with applied, faceted baton indices that add depth and sophistication to the design. The typography is crisp and legible, highlighted by the distinctive cursive Seiko Skyliner logo at twelve o'clock and the eye-catching blue numeral within the waterproof text at six o'clock. The sharp dauphine hands remain remarkably clean and perfectly complement the dial's mid-century aesthetic. Upon close inspection, the dial presents in exceptionally well-preserved condition, showing virtually no significant spotting, moisture marks, or discoloration, retaining a fresh and vibrant appearance that is highly desirable for a watch of this era. Case and Crystal The 36mm stainless steel case retains its classic dress watch proportions, featuring well-defined lugs with distinct factory chamfers that demonstrate careful preservation over the decades. The transitions between the polished bezel and the case flanks remain crisp. The caseback is a particular highlight, displaying a deep, clear engraving of the iconic Seiko Seahorse emblem, along with fully legible reference and serial numbers. The watch is fitted with a domed acrylic crystal that enhances the vintage character and remains clear, offering an unobstructed view of the stunning dial beneath. Moderate, honest signs of wear consistent with careful vintage use are present, but the case remains structurally excellent. Movement Inside beats the Seiko Caliber 6220C, a manual-wind mechanical movement featuring 21 jewels. The movement presents cleanly, with the distinctive copper-toned caliber engravings clearly visible on the main bridge. The balance wheel and gear train appear well-maintained and free from visible corrosion. Running in vintage operational condition. Maintains the authentic mechanical character of the era. The timegrapher indicates a performance of +40 to +46 s/d. Strap The watch is paired with a period-correct black alligator-embossed leather strap, completed with a standard stainless steel pin buckle. The strap complements the formal, elegant nature of the timepiece and shows light signs of handling while remaining highly wearable. Condition This Seiko Skyliner is in excellent vintage condition. The dial is exceptionally clean and well-preserved, standing out as a prime example of 1960s Seiko craftsmanship. The case retains strong lines and a beautifully intact Seahorse caseback engraving. The movement is clean and operational, making this a superb collector's piece. Dimensions Case Size: 36 mm (excluding the crown) Remarks The combination of a pristine sunburst dial, the pop of blue typography, and the highly collectible Seahorse caseback make this Skyliner a compelling addition to any vintage Japanese watch collection. Its timeless proportions ensure it remains as wearable and stylish today as it was in the mid-twentieth century. History Introduced in the 1960s, the Seiko Skyliner series was positioned as a sleek, reliable, and elegant dress watch option within Seiko's expansive catalog. Utilizing the dependable 6200 series manual-wind movements, the Skyliner offered a slimmer profile compared to its automatic counterparts. The inclusion of the Seahorse caseback emblem denoted its water-resistant capabilities at the time of production, a feature that Seiko proudly highlighted across several of its mid-century models to showcase their advancing case technology. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and very securely packaged, and shipped with tracking and insurance for your peace of mind. We ship via fast express service, with typical delivery in 1–4 business days (destination dependent). Note that with vintage watches, minor signs of wear, aging, or imperfections may be present and are considered normal for watches of this age. Please review all photos carefully before bidding. We strive to photograph each watch from multiple angles for the most accurate representation. The photos form an important part of the description. If there are any concerns of functionality or defects after delivery, make sure to contact us within 3 days of receiving the watch so we can assist you. As with all vintage watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-SSX-0020