Seiko LM 5606-7310 (1973)

Presented for auction by Second Vintage This striking Seiko LM reference 5606-7310 captivates with its rare gradient green sunburst dial, an iconic look that perfectly embodies Seiko’s bold design era of the early 1970s. The well-preserved 36mm stainless steel case features crisp lines and elegant proportions, while gold-tone markers and hands show a graceful patina. Collectors will appreciate the original character, classic vintage appeal, and robust 23-jewel automatic movement in this exceptionally attractive Seiko. Brand: Seiko Model: LM Reference Number: 5606-7310 Serial Number: 3D9272 Movement: Seiko automatic, 23 jewels Dial: Gradient green sunburst with gold-tone markers Case Size: 36 mm (excluding the crown) Case Material: Stainless steel Production Year: 1973 Condition: Excellent vintage condition; vivid dial and sharp case with minor signs of wear, running within vintage tolerances. Dial and Hands The dial features a dynamic green sunburst gradient, shimmering from deep green at the perimeter to a lighter, almost metallic center. Gold-tone baton indices and matching hands give a refined touch, while the luminous accents have aged evenly. The day-date display at 3 o’clock is crisp, enhancing the watch’s utility and character. Case and Crystal The 36mm stainless steel case remains impressively sharp, retaining strong, original lines and polished surfaces with only light wear consistent with its age. The crystal presents clear and shows only minor marks upon close inspection, free from major scratches or clouding. Movement Powered by Seiko’s respected 5606 automatic movement with 23 jewels, this watch is running within vintage tolerances and offers reliable, classic performance. The quickset day and date both function properly. Strap The watch is fitted with a modern, textured black strap accented by bold yellow stitching. The strap appears unworn and complements the watch’s vibrant style, delivering contemporary comfort while keeping the focus on the extraordinary dial. Condition A beautifully preserved vintage piece, this Seiko LM presents a vibrant, clean dial with subtle patina and a case that remains sharp and strong. Light surface wear is visible on the case, entirely appropriate for its vintage status. Dimensions Case diameter: 36 mm (excluding crown) Remarks This Seiko LM stands out for its vivid and uncommon gradient green sunburst dial, strong case presence, and enduring original character. An excellent opportunity for collectors seeking a distinctive and well-preserved example of 1970s Seiko craftsmanship. History The Lord Matic (LM) series represented Seiko’s dedication to innovation and bold design sensibilities in the 1970s. The 5606-7310 reference is notable for its unique dial variants, with this green sunburst execution being among the most sought after by enthusiasts. Combining robust engineering, creative style, and timeless appeal, the LM range has carved out a lasting place in the hearts of vintage Seiko collectors worldwide. / Second Vintage SKU: SEIG4DJ610000