Available now on auction by Second Vintage This Seiko Lord Marvel reference 5740-0010 is a distinguished example of Japanese horological history, representing the brand's luxury capabilities in the mid-1960s. With its crisp silver sunburst dial and the iconic Seahorse caseback, this manual-wind timepiece captures the essence of the "Grammar of Design" era. It stands as a testament to Seiko's dedication to precision and elegance before the Grand Seiko line fully dominated the high-end market. Brand: Seiko Model: Lord Marvel Reference Number: 5740-0010 Serial Number: 5N05352 Movement: Manual Wind Caliber 5740A Dial: Silver Sunburst Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1965 Condition: Excellent vintage condition. The watch is remarkably preserved with a clean dial and well-defined case, and timegrapher testing shows a rate of -22 to -29 seconds per day which indicates reliable operation within vintage tolerances. Dial and Hands The silver sunburst dial is the highlight of this timepiece, presenting a bright and sophisticated finish that radiates from the center. It features polished, multi-faceted applied baton indices that catch the light beautifully. The sharp, polished dauphine hands are in excellent condition, showing no significant oxidation or aging. The applied Seiko logo and the fine black "Lord Marvel Diashock 23 Jewels" script are crisp and intact, maintaining the watch's original dressy aesthetic. Case and Crystal The stainless steel case measures a classic 36mm and retains its strong, architectural lines. The lugs are thick and defined, showing normal surface scratches consistent with age but no signs of over-polishing. The caseback features the desirable "Seahorse" logo and "Water Proof" text, which, while slightly softened from years of wear, remain legible and verify the watch's heritage. The crystal is clear and presents well, allowing for an unobstructed view of the dial. Movement Powering this watch is the robust Seiko Caliber 5740A, a 23-jewel manual wind movement. This mechanism is historically significant as the immediate predecessor to Seiko's famous high-beat movements. The movement appears clean and unmolested. Timegrapher results show the watch running between -22 and -29 seconds per day, which indicates healthy movement function suitable for a vintage piece of this era. Strap The watch is paired with a high-quality black leather strap featuring a textured reptile grain pattern and contrasting brown stitching. The strap is in excellent condition and provides a comfortable fit, perfectly complementing the stainless steel case and enhancing the watch's versatility for both casual and formal occasions. Condition Overall, this timepiece is in excellent vintage condition. The dial is exceptionally clean for a watch produced in 1965, free from heavy patina or moisture damage. The case wears its history honestly with moderate surface marks that add character without detracting from its beauty. Dimensions The case diameter is 36 mm excluding the crown, a perfect size for a vintage dress watch that offers significant wrist presence while remaining understated and elegant. Remarks The Lord Marvel series is highly coveted by collectors for offering Grand Seiko-level finishing and design at a more accessible point. This specific reference with the Seahorse back and 5740A movement is a wonderful example of Seiko's golden age of mechanical watchmaking. History Introduced in the late 1950s, the Lord Marvel line was Seiko's first true luxury watch, designed to demonstrate that Japanese watchmakers could compete with the Swiss in terms of beauty and precision. For nearly a decade, the Lord Marvel stood at the pinnacle of the Seiko lineup. The 5740 caliber series housed within these watches served as the foundation for Seiko's technological advancements, eventually leading to the creation of their legendary high-beat movements. owning a Lord Marvel is owning a piece of the foundation that built Seiko's global reputation. 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: SEI-SLM-0018