Offered in this auction by Second Vintage A distinguished classic from Seiko’s celebrated Lord Matic line, this 1971 Seiko LM Automatic 5606-5040 presents a refined blend of angular design and understated elegance. Its square stainless steel case, sleek sunburst dial, and precise day-date display encapsulate the technical prowess and style of Seiko’s golden era. Rarely seen in such appealing, honest condition, this example is an attractive choice for the vintage enthusiast seeking a unique, well-preserved automatic from a renowned Japanese marque. Brand: Seiko Model: Lord Matic Reference Number: 5606-5040 Serial Number: 143897 Movement: Seiko Automatic (23 Jewels) Dial: Dark grey sunburst with applied silver indices and framed day-date at 3 o’clock Case Size: 33mm (excluding the crown) Case Material: Stainless steel Production Year: 1971 Condition: Very good vintage condition with light, even wear throughout; running at +33 to +40 seconds per day on timegrapher, indicating healthy, stable movement operation. Dial and Hands The dial boasts a crisp dark grey sunburst finish, highlighted by polished, applied indices and clear, sharp original print. The day-date window at 3 o’clock is well-framed, with crisp text and dual English/Kanji day wheels. The hands remain sharp with original polish, and a subtle, uniform patina gives the luminous plots vintage character. Case and Crystal The stainless steel square case retains distinctive lines and strong geometry, with light surface marks but no significant dents or deep scratches. Brushed and polished accents on the case are well defined. The crystal is clear, with only faint hairlines visible under close inspection. Movement Powered by Seiko’s proven 23-jewel automatic caliber, this watch is running at +33 to +40 seconds per day as measured on a timegrapher, reflecting healthy operation for its age and offering reliable vintage performance. Strap Paired with a black leather strap in excellent condition, exhibiting only minor creasing and delivering a comfortable, classic look. The buckle is unsigned. Condition Overall, this Seiko Lord Matic 5606-5040 remains in well-preserved vintage condition, with sharp case edges, fully intact dial print, and pleasing patina on the luminous material. Wear is consistent and honest, enhancing its vintage appeal. The movement is performing well within typical vintage tolerances. Dimensions Case size: 33 mm (excluding the crown) Remarks A seldom-seen example within the Lord Matic series, this reference stands out for its unique angular case and balanced dial design. An excellent choice for collectors seeking an original, charismatic addition to any vintage Seiko collection. History The Lord Matic line represents Seiko’s push for innovation and elegance during the early 1970s, aimed at watch lovers demanding both quality and style. The 5606-5040, with its bold case and technical prowess, exemplifies this ambition. It remains a sought-after model for enthusiasts looking to capture the spirit and design legacy of Seiko’s most inventive decades. Payment and Shipping Payment must be completed within 1-3 days after purchase. The watch will be securely packaged and shipped with tracking and insurance for your peace of mind. Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation. As with all vintage watches, water resistance is not guaranteed. The watch will be delivered in fully functional working condition. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI2FIE600000