Presented for auction by Second Vintage The Seiko Bell-Matic stands as one of the most mechanically fascinating and historically significant achievements of vintage Japanese watchmaking. Combining a precise automatic movement with a mechanical alarm complication, this series represents the golden era of Seiko's innovative engineering. This particular example, a beautifully preserved reference 4006-7010, showcases a stunning silver sunburst dial and the highly desirable 27-jewel variant of the 4006 caliber, making it a truly exceptional find for the discerning collector of mechanical alarms. Brand: Seiko Model: Bell-Matic Reference Number: 4006-7010 Serial Number: 7404858 Movement: Automatic mechanical alarm, Caliber 4006A, 27 Jewels Dial: Silver sunburst dial with applied faceted indices, presenting in exceptionally clean and well-preserved condition with no visible spots or damage. Case Size: 38 mm (excluding the crown) Case Material: Stainless steel Production Year: 1967 Condition: Excellent vintage condition with a remarkably clean dial and sharp case lines. Dial and Hands The silver sunburst dial is a masterclass in mid-century design, radiating beautifully under light and presenting in exceptionally clean condition. The surface is free from noticeable spotting, moisture marks, or discoloration, maintaining a remarkably fresh appearance. Applied faceted baton indices feature central black stripes that provide excellent legibility and contrast, matched perfectly by the sharp sword-style hands. The applied Seiko logo and crisp black typography, including the Suwa factory symbol, remain perfectly intact with full print presence. A framed day and date aperture sits cleanly at the three o'clock position, while the inner rotating alarm indicator ring, complete with its distinctive triangular marker, is beautifully preserved around the dial periphery. Case and Crystal The 38 mm stainless steel case retains its sharp factory lines, showcasing a beautiful transition between the brushed upper surfaces and the highly polished case flanks. The classic lug profile remains crisp and well-defined, indicative of careful preservation over the decades. Honest, light signs of wear consistent with careful vintage use are present across the polished surfaces, but the case remains free from significant impacts or deep scratches. The domed crystal sits proudly above the smooth bezel, offering a clear and distortion-free view of the immaculate dial beneath. The original crown and the alarm pusher at the two o'clock position remain in excellent cosmetic condition. The screw-down caseback clearly displays the crisp Seiko branding, reference numbers, and the early water proof designation. Movement Inside beats the impressive Seiko Caliber 4006A, a 27-jewel automatic movement equipped with a mechanical alarm complication. The movement presents beautifully, with clean bridges, a bright winding rotor clearly stamped with its jewel count, and crisp factory engravings visible throughout. Performing well within expected vintage tolerances; running strong and steady. The timegrapher results indicate a performance of -31 to -35 seconds per day. Strap The watch is fitted with a handsome black leather strap featuring contrasting white stitching. The strap complements the black accents on the dial and indices perfectly, offering a comfortable and versatile wearing experience that suits both casual and formal settings. Condition This timepiece is presented in excellent vintage condition. The dial is exceptionally preserved, standing out as a premium example of the reference with no visible flaws. The case maintains its original geometric integrity with sharp edges and attractive brushed finishes, showing only minor age-appropriate handling marks. The movement is clean and operational, and all visual elements harmonize to create a highly collectible vintage Seiko. Dimensions The stainless steel case measures 38 mm in diameter, excluding the crown and alarm pusher, providing a substantial yet highly wearable presence on the wrist. Remarks The Bell-Matic series remains one of the most beloved chapters in Seiko's rich history, offering a highly practical complication wrapped in timeless design. Finding an early 27-jewel example with a dial this pristine and a case this sharp is becoming increasingly difficult. This piece represents a fantastic opportunity to acquire a robust and beautifully designed mechanical alarm watch that commands attention. History Introduced in the late 1960s, the Seiko Bell-Matic was a marvel of accessible mechanical complexity, bringing the alarm complication to the broader public without sacrificing reliability or aesthetic appeal. The 4006 caliber was offered in various jewel counts over its production run, with the 27-jewel versions being among the earliest and most highly regarded by collectors today. These watches were designed for the busy professional, serving as a reliable wrist-worn reminder in an era before digital notifications. Today, the Bell-Matic is celebrated not only for its charming mechanical buzz but also for its enduring mid-century styling and robust engineering. 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). 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. 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-0003