Seiko LM Special 光渦 – Kōka 5206-6050 (1971)

Now available at auction from Second Vintage This Seiko LM Special reference 5206-6050 offers a standout example of early 1970s Japanese watchmaking, celebrated for its clean lines and elegant simplicity. This model, part of the esteemed Lord Matic series, is recognized for its advanced automatic movement and refined design. The sharp, angular stainless steel case and pristine silver sunburst dial highlight Seiko’s mastery of mid-century style and technical excellence—a true collector’s piece for those appreciating the heritage of vintage Seiko. Brand: Seiko Model: LM Special Reference Number: 5206-6050 Serial Number: 135330 Movement: Automatic, 23 Jewels, Seiko Caliber 5206 Dial: Silver sunburst, applied indices, black onyx-inlaid hands Case Size: 35mm (excluding the crown) Case Material: Stainless steel Production Year: 1971 Condition: Running at -49 to -57 seconds per day on timegrapher, which indicates the movement is operational and within vintage tolerances. The watch presents in excellent overall cosmetic condition with sharp case lines and a well-preserved dial. Dial and Hands The original silver sunburst dial is clean and vibrant, featuring crisp applied indices and subtle black print. The day/date window is sharply defined, while the applied LM logo and original hands give a refined appearance. Lume plots on the hands display an even, attractive patina consistent with careful aging. Case and Crystal The 35mm stainless steel case retains its sharp edges and original polished facets, with minimal wear visible. The surfaces are bright and the lug geometry remains strong. The crystal is clear and free from noticeable scratches, providing a perfect window to the elegant dial beneath. Movement This piece is powered by Seiko’s respected Caliber 5206 automatic movement, prized for its durability and engineering. The timegrapher reading of -49 to -57 seconds per day demonstrates the movement is running and offering reliable vintage performance. Quickset day and date functions operate correctly, reinforcing its practicality. Strap Fitted with a brown leather strap in excellent condition, the pairing complements the watch’s classic style and is comfortable for regular wear. Condition Overall, this LM Special is in outstanding vintage condition. The case is crisp, the dial is beautifully preserved, and all elements display only minor age-related characteristics. Timegrapher results confirm it runs steadily within the range typical for a watch of this era. Dimensions Case size: 35mm (excluding crown) Remarks This Seiko LM Special 5206-6050 stands out for its strong case definition, immaculate dial, and original components—all hallmarks of a highly collectible and wearable vintage Lord Matic. An excellent choice for collectors or enthusiasts seeking authentic Seiko heritage with enduring appeal. History The Seiko LM Special series was introduced as a premium line within the Lord Matic family in the early 1970s. Highly regarded for its technical advancements and sophisticated design, the 5206-6050 reference exemplifies the brand’s commitment to quality and style during a golden era of Japanese horology. Today, it remains one of the most desirable vintage Seiko models, sought after by those who appreciate originality, engineering, and timeless aesthetics. / Second Vintage SKU: SEI1YGLO7E000