Seiko Seikomatic 月華 (Gekka) 8305-7000 (1966)

Presented for auction by Second Vintage This Seiko Seikomatic 8305-7000 is a fine example of Seiko’s innovative spirit at the height of 1960s Japanese watchmaking. Showcasing an elegant cushion-shaped stainless steel case and a beautifully preserved silver sunburst dial, this piece effortlessly combines vintage style with enduring quality. The watch delivers both visual impact and reliability, powered by a robust automatic movement and featuring a sharply defined date window. Fresh timegrapher results underscore its strong running condition, making this Seikomatic an appealing addition for collectors and enthusiasts alike. Brand: Seiko Model: Seikomatic Reference Number: 8305-7000 Serial Number: 6703888 Dial: Silver sunburst with applied markers Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1966 Condition: Excellent vintage condition. The watch runs between +5s and +12s/day on the timegrapher, indicating a healthy movement and performance within vintage tolerances. Dial and Hands The silver sunburst dial presents in remarkable condition, with crisp applied hour markers and clear original printing. The Seikomatic and Seiko logos remain sharp, and the minimal text keeps the appearance refined and uncluttered. The dauphine hands and center seconds hand are bright, with a subtle, even patina on the lume that adds character without detracting from legibility. Case and Crystal The 36 mm cushion-shaped stainless steel case retains strong edges and its original brushing, showing minimal signs of wear. The case lines are full, with no evidence of over-polishing. The acrylic crystal is clear, exhibiting only the faintest light marks from age and careful use. The original crown integrates seamlessly with the case design. Movement Powered by Seiko’s reliable automatic movement, the watch performs within vintage tolerances. Recent timegrapher results of +5s to +12s per day confirm healthy and consistent operation—an indicator of the movement’s excellent condition even decades after production. Strap Fitted with a stylish black leather strap with red accent stitching, complementing the dial and case. The strap presents as lightly worn, remaining both comfortable and presentable, and secured by a stainless steel buckle. Condition Overall, this Seiko Seikomatic is in exceptional vintage condition. The dial remains free of major blemishes, the case retains its original integrity, and the movement demonstrates robust performance. All components appear authentic and period correct. Dimensions Case diameter: 36 mm (excluding the crown) Remarks The Seikomatic 8305-7000 is increasingly difficult to find in such honest and attractive condition. Its 1960s styling, carefully preserved dial, strong case, and healthy performance make it a superb acquisition for collectors seeking dependable vintage Seiko charm. History The Seikomatic line established Seiko’s reputation for reliable automatic movements and timeless design during the 1960s. Produced in 1966, this reference represents the fusion of understated elegance and Japanese watchmaking expertise that defined the era and remains sought after today. / Second Vintage SKU: SEI1RGS18T000