Presented for auction by Second Vintage A captivating example of mid-century Japanese horology, this Seiko Business captures the essence of 1960s executive elegance. Characterized by its distinctive day and date layout and beautifully textured dial, this timepiece represents Seiko's dedication to mechanical reliability and refined aesthetics during a golden era of watchmaking. It offers a sophisticated presence on the wrist while remaining a highly collectible piece of vintage horology. Brand: Seiko Model: Business Reference Number: 6206-8010 Serial Number: 5602510 Movement: Automatic, Caliber 6206A, 26 Jewels Dial: Silver sunburst crosshair dial with applied faceted indices, exceptionally clean Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1965 Condition: Excellent vintage condition, exceptionally preserved with crisp details Dial and Hands The silver sunburst dial features a striking crosshair design that anchors the visual balance of the timepiece. It is adorned with highly distinctive applied faceted square indices, each featuring cross-cut detailing that catches the light beautifully. The dial typography is crisp and completely intact, featuring a prominent "SEIKO" alongside "BUSINESS DIASHOCK 26 JEWELS" and factory dial codes at the bottom edge. A unique layout places the day aperture prominently at the nine o'clock position and the date window at three o'clock, both framed by sharp metallic borders. The polished dauphine hands remain in excellent condition. A meticulous visual inspection reveals an exceptionally clean surface, free from distracting spots, moisture marks, or significant discoloration, presenting a remarkably fresh appearance for its age. Case and Crystal The 36 mm stainless steel case exhibits a classic mid-century profile with gently curving lugs and a smooth, polished bezel. The crown is elegantly recessed at the four o'clock position, maintaining the symmetrical lines of the case flanks. The transition between the polished and brushed surfaces remains well-defined, showing only honest, superficial handling marks consistent with careful wear over the decades. The domed acrylic crystal is clear and well-preserved, offering an unobstructed view of the dial beneath. The screw-down caseback prominently displays the iconic Seiko dolphin motif, alongside clear, deep engravings of the serial number, reference number, and the water proof designation. Movement Beating inside is the beautifully preserved gold-tone Seiko Caliber 6206A automatic movement, featuring 26 jewels. The rotor and bridges display clean surfaces and crisp factory engravings, indicative of careful preservation. Running in vintage operational condition. Maintains the authentic mechanical character of the era. The timegrapher results reflect a daily deviation of +55 to +62 seconds per day. Strap The watch is fitted with a handsome black leather strap featuring an alligator-style grain and contrasting white stitching. The strap compliments the classic aesthetic of the watch and is secured with a standard stainless steel pin buckle. Condition Excellent vintage condition. The watch has been wonderfully preserved, showing only minimal signs of use and handling marks on the case. The dial is exceptionally clean and visually striking, while the case retains its structural integrity and sharp factory engravings on the caseback. Dimensions Case Size: 36 mm (excluding the crown). Remarks This Seiko Business is a superb example of vintage Japanese design, offering a unique dial layout and robust mechanical performance. It stands as an excellent addition for collectors seeking a distinctive and historically significant mid-century dress watch with undeniable charm. History Introduced in the mid-1960s, the Seiko Business line was designed to cater to the modern professional, offering practical complications like the day and date in an elegant package. The Caliber 6206 movement was a reliable workhorse of the era, reflecting Seiko's rapid advancements in automatic winding technology. The specific day and date layout, with the day positioned at nine o'clock, is a highly recognizable and beloved characteristic of this specific period in Seiko's rich manufacturing history, demonstrating their willingness to experiment with dial symmetry and functional design. 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-SBJ-0002