Seiko Seikomatic-R "Gekkiri / Moon Fog" – Ref. 8305-9010 – 1965 Price on Chrono24: €495 (reasonable offers considered) General Description Offered for sale is this Seiko Seikomatic-R Gekkiri ("Moon Fog"), reference 8305-9010, produced in 1965. This model represents one of the most important high-grade Seiko automatic watches of the mid-1960s and occupies a key position in the brand’s evolution, bridging the gap between standard Seiko models and the early Grand Seiko line. The Seikomatic-R series showcases Seiko’s technical ambition and design maturity during this era, combining robust in-house movements with refined aesthetics influenced by the Grammar of Design philosophy. Specifications • Brand: Seiko • Model: Seikomatic-R (月霧 – Gekkiri / Moon Fog) • Reference: 8305-9010 • Year of production: 1965 • Movement: Automatic Seiko calibre 8305B • Jewels: 30 • Functions: Hours, minutes, central seconds, date • Case material: Stainless steel • Case diameter: 38 mm (excluding crown) • Crystal: Acrylic • Crown: Original recessed crown at 4 o’clock • Strap: New black leather strap (not original) • Box and papers: Not included Movement The watch is powered by the Seiko calibre 8305B, a high-grade automatic movement featuring 30 jewels, significantly above the industry standard of the period. The movement is clean and visually appealing and operates correctly. Timegrapher readings show an average daily deviation of approximately -20 to -29 seconds per day, which is consistent with a healthy and honest vintage movement that has not been over-restored. Dial and Hands The original silver sunburst dial is the highlight of this watch and remains very well preserved. It features applied polished baton indices with a double-width marker at 12 o’clock, dauphine-style polished hands, and a framed date window at 3 o’clock. A finely fluted inner ring surrounds the dial, adding depth and visual texture. The inscriptions ‘Seikomatic-R’ and ‘Diashock 30 Jewels’ are crisp and clearly legible. The dial has not been repainted. Case and Crystal The stainless steel case measures a substantial 38 mm, giving the watch a notably modern wrist presence for its era while retaining clear vintage character. The recessed crown at 4 o’clock is a distinctive design feature of the Seikomatic-R line, emphasizing automatic winding capability. The case shows honest signs of wear consistent with age. The case back features the iconic Seiko Dolphin emblem with clearly visible engravings; minor tool marks are present. The acrylic crystal is clear and free from distracting defects. Collector Interest The Seikomatic-R Gekkiri is increasingly sought after by international collectors. Examples with original and well-preserved dials are becoming harder to find, making this an excellent opportunity to acquire a historically important Seiko with strong collector appeal. This watch offers a compelling combination of historical significance, mechanical quality, and everyday usability. Shipping and Terms The watch will be shipped fully insured and carefully packaged. It is sold as shown in the photographs. No trades. Please feel free to ask any questions.