Presented for auction by Second Vintage An elegant and sophisticated piece of Daini Seikosha history, this remarkable vintage Seiko reference 2559-3010 showcases the brand's mastery of mid-century geometric design. Featuring a distinct rectangular profile with wide brushed bezels and a pristine vertically brushed silver dial, this timepiece embodies the refined aesthetic of 1970s Japanese watchmaking. Powered by the high-grade 24-jewel manual-winding caliber 2559, it represents a perfect blend of architectural case design and mechanical precision, making it a brilliant addition to any serious collection of vintage Japanese horology. Brand: Seiko Reference Number: 2559-3010 Serial Number: 020127 Movement: Manual-winding Caliber 2559, 24 Jewels Dial: Vertically brushed silver dial with applied baton indices, in exceptionally clean and well-preserved condition Case Size: 30 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1970 Condition: Excellent vintage condition, well-preserved with sharp case lines and an immaculate dial Dial and Hands The dial of this timepiece is a striking example of Daini Seikosha's attention to detail, featuring a beautiful vertically brushed silver finish that plays wonderfully with the light. The typography is crisp and fully intact, including the applied black-filled Seiko logo, the printed "24 JEWELS" designation, and the signature Daini lightning bolt emblem positioned just above six o'clock. Applied polished baton indices provide excellent depth and contrast against the brushed background. The dial is exceptionally clean, showing no visible spots, moisture damage, edge wear, or discoloration, maintaining a fresh and highly attractive appearance. The matching polished baton hands are similarly well-preserved, exhibiting a bright finish completely free of oxidation or degradation. Case and Crystal The stainless steel case features a distinctive horizontal rectangular geometry with a prominent brushed finish across the wide top and bottom bezels. The transition between the brushed frontal surfaces and the polished case flanks remains sharp and well-defined, indicating respectful wear over the decades. Honest, light surface scratches and handling marks are visible under close inspection, entirely consistent with a watch of this vintage, but there are no deep gouges or signs of heavy over-polishing. The flat crystal sits flush within the stepped bezel and presents clearly, offering an unobstructed view of the pristine dial beneath, free from any distracting scuffs or chips. The original knurled crown is easily accessible and operates smoothly. The caseback is clearly engraved with the Seiko branding, serial number 020127, reference 2559-3010, and the Daini Seikosha logo. Movement Ticking inside is the Japanese-crafted manual-winding Caliber 2559, a highly regarded 24-jewel movement produced by the Daini Seikosha factory. Known for their reliability and engineering quality, these movements are celebrated among vintage Seiko enthusiasts. Running in vintage operational condition. Maintains the authentic mechanical character of the era. The timegrapher results reflect a deviation of +42 to +44 seconds per day. Strap The watch is fitted with a handsomely appointed dark blue leather strap featuring an embossed crocodile grain and matching blue contrast stitching. The strap is secured with a polished stainless steel tang buckle and complements the cool silver tones of the dial and case perfectly, remaining in excellent, highly wearable condition. Condition This timepiece is presented in excellent vintage condition. The case retains strong factory geometry and attractive brushing, showing only normal handling marks and light superficial scratches commensurate with its age. The dial and hands are the true highlights, remaining remarkably clean and free from any notable flaws, spotting, or moisture intrusion. The crystal is clear, and the caseback engravings remain deep and highly legible. Dimensions The stainless steel case measures 30 mm in width, excluding the crown. The distinct rectangular shape provides a substantial yet elegant presence on the wrist, offering a classic mid-century footprint that wears comfortably. Remarks This reference 2559-3010 is a superb example of Seiko's design language during the early 1970s, characterized by bold case shapes and immaculate dial finishing. The combination of the vertically brushed dial, the Daini Seikosha heritage, and the sharp case condition makes this a compelling acquisition for collectors seeking a refined dress watch with architectural flair. History During the 1960s and 1970s, Seiko's internal rivalry between the Suwa and Daini Seikosha factories drove incredible innovation and design diversity. The Daini factory, identified by the distinctive lightning bolt logo, was responsible for some of the brand's most elegant dress watches and advanced calibers. The 2559 series stands as a testament to Daini's commitment to producing slim, highly jeweled manual-winding movements housed in avant-garde, geometric cases that perfectly captured the aesthetic spirit of the era. 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-SHX-0001