Seiko - Seikomatic-R - No reserve price - 8305-9010 - Men - 1965

Offered in this auction by Second Vintage This distinguished timepiece represents a wonderful era in Japanese horology, capturing the essence of mid-century dress watch design with robust technical underpinnings. The Seikomatic line was conceived to deliver premium automatic winding efficiency wrapped in elegant, refined aesthetics, paving the way for Seiko's enduring legacy in the high-end mechanical segment. With its striking textured bezel, sunburst dial, and a sophisticated 30-jewel movement, this reference stands as a highly wearable and collectible testament to Seiko's mid-1960s craftsmanship. Brand: Seiko Model: Seikomatic-R Reference Number: 8305-9010 Serial Number: 5404398 Movement: Automatic Caliber 8305B Dial: Silver sunburst with applied indices, showing light age-consistent spotting and hand oxidation Case Size: 38 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1965 Condition: Good vintage condition with strong case profiles and an honest, patinated dial Dial and Hands The watch features a beautiful silver sunburst dial that interacts dynamically with the light, radiating outward from the center pin. It is adorned with applied, faceted rectangular indices that feature black central accent lines, providing excellent legibility and a sharp mid-century aesthetic. The applied Seiko logo sits proudly beneath the twelve o'clock position, while the crisp printed text "SEIKOMATIC-R / DIASHOCK 30 JEWELS" occupies the lower half, alongside the factory dial code along the bottom edge. A framed date aperture is cleanly integrated at the three o'clock mark. Under close inspection, the dial surface exhibits light, age-consistent spotting and minor patination, particularly towards the outer minute track, giving it a warm vintage character. The original faceted dauphine hands display noticeable surface oxidation and wear, most prominently on the hour hand, confirming their original status and decades of honest use. Case and Crystal The 38mm stainless steel case embodies classic vintage Seiko proportions, featuring sharp, faceted lugs that seamlessly transition from the mid-case. A defining characteristic of this reference is its finely fluted, coin-edge style bezel, which frames the dial beautifully and adds a layer of sophisticated texture to the overall presentation. The case retains strong factory lines and well-defined lug profiles, exhibiting normal, honest wear in the form of superficial scratches and light handling marks consistent with a watch of this vintage. The domed crystal sits slightly proud of the bezel, offering a clear view of the dial while showing only minor, superficial signs of age. The stainless steel caseback is clearly engraved with the iconic Seiko dolphin motif, the "Water Proof" designation, and a crisp serial number, presenting standard surface scratches from historical wear and servicing. Movement Powering this timepiece is the Seiko Automatic Caliber 8305B, a sophisticated self-winding mechanism boasting 30 jewels and the brand's proprietary Diashock anti-shock system. Visual inspection of the movement reveals an impressively clean architecture, with a bright, well-finished rotor proudly stamped "SEIKO 30 JEWELS." The bridges and visible geartrain remain well-preserved and visually striking. Timegrapher results reflect current performance; the movement is running and operational, measuring +58 to +62 seconds per day. Strap The watch is fitted with a handsome brown alligator-embossed leather strap, secured by a polished stainless steel pin buckle. The rich brown tones of the leather perfectly complement the silver dial and steel case, elevating the watch's vintage dress appeal while remaining supple and ready for the wrist. Condition This Seikomatic-R is presented in good vintage condition. The stainless steel case has been well-preserved, retaining sharp lug facets and the distinct texturing of the fluted bezel despite typical age-related surface wear. The dial and hands offer an honest, untouched appearance, highlighted by attractive light spotting on the dial surface and clear, age-appropriate oxidation on the dauphine hands. The movement is remarkably clean visually and functions reliably. Dimensions The case diameter measures 38 mm (excluding the crown), offering a substantial yet incredibly elegant footprint on the wrist that bridges vintage charm with modern wearability. Remarks This particular reference 8305-9010 is a superb example of Seiko's ability to combine intricate exterior design elements, such as the textured bezel and faceted hands, with a highly capable, high-jewel-count automatic movement. It is a brilliant piece for collectors seeking a character-rich, mid-century Japanese dress watch. History Introduced in the 1960s, the Seikomatic line was positioned as a premium offering designed to showcase Seiko's advancements in automatic winding technology. The "R" designation in the Seikomatic family typically denoted models with refined styling and sophisticated, high-jewel calibers, bridging the gap between standard reliable everyday watches and the ultra-premium Grand Seiko and King Seiko lines. These watches represent a golden era of Seiko's mechanical innovation and distinct design language. / Second Vintage SKU: SEI-SMJ-0002