Presented for auction by Second Vintage This classic 1970s Omega dress watch is defined by its elegant square case profile and beautifully preserved vertically brushed gold-tone dial. Powered by the reliable manual-wind caliber 625, this De Ville represents a sophisticated era of Omega design, retaining its original signed crown and offering remarkable mechanical performance. Brand: Omega Model: De Ville Reference Number: 511.0405 Serial Number: 37098138 Movement: Manual wind caliber 625 Dial: Gold-tone with vertical brushed finish and applied black baton indices Case Size: 28mm (excluding the crown) Case Material: Gold-plated, stainless steel caseback Production Year: 1973 Condition: Excellent vintage condition. Timegrapher: -6-8s/day, performing remarkably well. Dial and Hands The exceptionally clean and well-preserved gold-tone dial features a striking vertical brushed finish. Applied black baton indices provide excellent contrast, perfectly matched by the clean and highly legible black baton hands. The printed text remains crisp and intact. The dial is very clean overall, showing minimal signs of aging or spotting, while the hands present their finish intact with no obvious corrosion or paint loss. Case and Crystal The square gold-plated case retains good overall geometry, displaying honest wear consistent with its age. Moderate surface scratches and handling marks are visible on the polished flanks and the integrated bezel area. The interior case edges where the stainless steel caseback seats show some plating wear and tarnish, and the caseback exterior exhibits light surface scratches. The original gold-tone knurled crown is clearly signed with the Omega logo on its face, showing some surface wear and minor plating loss on the knurled edges. The flat crystal shows some light surface scratches visible under reflected light. Movement Inside is the Omega manual wind caliber 625, correctly engraved with the Omega signature and serial number 37098138. The copper-colored plating is bright and clean, showing no obvious signs of corrosion, moisture damage, or heavy tool marks, and the screw heads appear in good condition. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with a worn but serviceable black leather strap featuring an embossed pattern. The strap shows signs of wear, creasing, and some fraying at the lugs, and is secured by a gold-tone buckle with no visible signature. Condition Excellent vintage condition. The exceptionally clean brushed dial and hands remain beautifully preserved, while the square case shows honest age-related wear, including moderate scratches on the polished flanks, plating wear on the interior caseback seating edges, and minor plating loss on the signed crown. The flat crystal bears light surface scratches, and the leather strap shows creasing and fraying at the lugs. The movement is performing very strongly, supported by the recorded timegrapher results. Dimensions The case measures 28mm (excluding the crown). Remarks This De Ville is a compelling example of 1970s Omega design, featuring a sharply defined square case and a pristine brushed dial. The strong performance of its caliber 625 makes it a highly capable and elegant dress watch for the collector. History The reference 511.0405 was introduced as part of Omega's international collection, produced between 1972 and 1976. During this era, the De Ville line was positioned as Omega's premier dress watch family, emphasizing refined proportions and elegant geometry. Powered by the manual-winding mechanical caliber 625, this model reflects Omega's commitment to producing slim, reliable dress timepieces that remain highly wearable today. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and securely packaged, then shipped with tracking and insurance for your peace of mind. We use fast express shipping, with typical delivery within 1–4 business days, depending on the destination. Please note that vintage watches may show minor signs of wear, aging, or imperfections, which are considered normal for watches of this age. We kindly ask you to review all photos carefully before bidding. We photograph each watch from multiple angles to provide the most accurate representation possible, and the photos form an important part of the description. The timegrapher assessment if provided is seen as an indication of the movement’s condition under fully wound testing conditions. As with all vintage watches, results may vary in daily use. If you have any concerns regarding functionality or defects after delivery, please contact us within 3 days of receiving the watch so we can assist you. As with all used watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: OME-DXX-0015