Now available at auction from Second Vintage This Seiko Business-A, reference 8346-8000, epitomizes the timeless sophistication of 1970s Japanese watchmaking. Produced in 1977, it stands out with its elegantly proportioned 36 mm gold-tone stainless steel case, integrated bracelet, and refined silver sunburst dial. With crisp baton hour markers, a practical day-date feature, and classic Seiko reliability, this watch delivers both visual appeal and enduring mechanical quality. Backed by a measured timegrapher performance of +30 to +34 seconds per day, it’s a compelling opportunity for collectors and enthusiasts who value original detail and authentic vintage presence. Brand: Seiko Model: Business-A Reference Number: 8346-8000 Serial Number: 7237885 Movement: Automatic, Seiko Caliber 8346 Dial: Silver sunburst with applied gold baton markers and day-date window Case Size: 36 mm (excluding the crown) Case Material: Gold-tone stainless steel Production Year: 1977 Condition: Very good vintage condition overall; light wear throughout, clear hallmarks, dial and hands well preserved. Timegrapher measured at +30 to +34 seconds/day, indicating a healthy vintage movement. Dial and Hands The original silver sunburst dial features sharp brushing that catches the light, with gold-tone baton markers and matching hands giving the watch a harmonious, upmarket appearance. The day-date at 3 o’clock is clear and well-defined, while the lume inserts on hour and minute hands have aged to a pleasing and even patina, underscoring the watch's vintage character. All dial text and printing remain sharp and legible. Case and Crystal The 36 mm gold-tone stainless steel case is well-preserved, retaining strong lugs and edges with the gold plating intact and only minimal wear visible on close inspection. The acrylic crystal is clear with only minor surface marks and no major scratches, providing an unobstructed view of the striking dial. Movement This watch is powered by Seiko’s reliable automatic caliber 8346, reflecting the marque's known durability. On a timegrapher, it shows a rate of +30 to +34 seconds per day, which indicates strong, healthy performance and reliable vintage timekeeping. Strap The original gold-tone bracelet remains in excellent condition, with tight links, only moderate surface wear, and a secure clasp. It will comfortably fit wrists up to 17.5 cm. Condition Overall, this Seiko Business-A is in very good vintage shape. The case shows gentle aging but retains its original lines, the dial is clean and free of major flaws, and the bracelet is well-finished with original shine. The movement runs within vintage tolerances, further confirmed by timegrapher results. Dimensions Case diameter: 36 mm (excluding the crown) Remarks This Seiko Business-A offers collectors a rarely seen combination of refined style, preserved originality, and strong mechanical performance. Its classic proportions and enduring design make it an ideal choice for both daily wear and vintage appreciation. History Introduced in the late 1970s, the Seiko Business-A series catered to professionals seeking a combination of elegance and dependability. The 8346-8000 reference, produced in 1977, exemplifies Seiko’s commitment to advanced engineering paired with understated luxury, making it a standout in the brand’s extensive legacy and a sought-after piece for discerning enthusiasts. Payment and Shipping Payment must be completed within 1-3 days after purchase. The watch will be securely packaged and shipped with tracking and insurance for your peace of mind. Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation. As with all vintage watches, water resistance is not guaranteed. The watch will be delivered in fully functional working condition. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-SBX-0001