[Serviced] Rare Vintage 1966 Seiko Seikomatic-R 27 Jewels 8346-8000 For Sale

[Serviced] Rare Vintage 1966 Seiko Seikomatic-R 27 Jewels 8346-8000* DIAL (ORIGINAL)* CROWN (ORIGINAL)* GLASS (ORIGINAL)* CASE (ORIGINAL); CASE SIZE: 36mm.This serviced Rare Vintage 1966 Seiko Seikomatic-R 27 Jewels 8346-8000 is a wonderful example of mid-1960s Japanese horology, embodying the executive refinement, technical innovation, and aesthetic ambition of Seiko’s premium Seikomatic lineup. It is powered by the celebrated 27-jewel Caliber 8346 automatic movement, a high-grade, robust engineering triumph from the upscale “R” line, equipped with automatic winding, proprietary Diashock shock protection, and a day-date calendar complication to deliver outstanding chronometric precision and operational stability. Following a full mechanical service, the caliber runs with peak efficiency, ensuring responsive automatic winding, crisp day-date changes, and reliable timekeeping.The visual anchor of this watch is its exceptionally well-preserved, original factory silvery-white dial, distinguished by an elegant sunburst sheen. Offering a pristine, dynamic finish, the bright backdrop serves as a perfect canvas for the applied metallic elements. The layout remains impeccably balanced, featuring the maker’s applied signature in the upper hemisphere, elegantly mirrored below by the “SEIKOMATIC-R” typography and the “Diashock 27 Jewels” designation. Sharp, faceted steel hour markers, highlighted by distinctively detailed double indices at twelve and six o’clock, and matching polished hands catch the light beautifully, ensuring effortless legibility while exuding unmistakable 1960s aesthetic charm. A neatly framed day-date aperture at the three o’clock position, with Sunday rendered in red, completes the highly functional, retro-modern design.The solid stainless steel case remains in excellent vintage condition, highlighting defined factory contours, crisp lug surfaces, and polished flanks that elevate its classic dress presence and sit comfortably and ergonomically on the wrist. Designed with a sleek, elegant profile, the case incorporates its original winding crown positioned smoothly at 3 o’clock, allowing for effortless time setting and calendar adjustments. The solid reverse cleanly retains its original factory engravings, model designations, and serial stamping dating production to 1966. Completing the presentation is a newly fitted premium green leather strap that complements the classic silver aesthetic beautifully. Outside of the newly fitted leather strap, the watch head remains completely original and unaltered, preserving its factory stainless steel case, unrefinished sunburst dial, factory hands, crystal, original crown, and high-grade 27-jewel 8346 caliber.Collectors actively pursue the 1966 Seikomatic-R 8346-8000 for its elegant 1960s design language, its highly capable 27-jewel mechanical architecture, and its beautiful original sunburst dial configuration. While surviving examples from this era frequently suffer from heavily degraded dials, overpolished case lines, or sluggish movements, this fully serviced, all-original watch head offers an exceptional opportunity for enthusiasts of vintage Japanese watchmaking, serving as an authentic and handsome cornerstone for any serious vintage collection.