Presented for auction by Second Vintage A classic 1950s Seamaster with a uniquely aged dial. This circa 1958 Omega pairs a robust 36mm case profile with the distinctive character of heavy, pervasive stippled patina. Powered by the automatic Caliber 501 and featuring a signed clover-style crown, this piece offers honest wear and a highly individualized aesthetic shaped by decades of time. Brand: Omega Model: Seamaster Reference Number: 2857 - 2856 1 SC Serial Number: 16551344 Movement: Automatic, Caliber 501, 20 jewels Dial: Heavily patinated with significant stippled spotting, applied gold-tone indices Case Size: 36mm (excluding the crown) Case Material: Gold-tone, stainless steel caseback Production Year: circa 1958 Condition: Good vintage condition. Timegrapher: 20s+22s/day, running strong and steady. Dial and Hands The dial is heavily patinated, displaying pervasive stippled spotting and staining across the entire surface. The applied gold-tone indices and Omega logo show oxidation, while the printed text remains mostly legible despite the heavy aging. The Dauphine style hands exhibit significant oxidation, tarnishing, and surface degradation, perfectly matching the dial character. Case and Crystal The gold-tone case features a classic Seamaster profile with thick lugs and a stainless steel caseback. The case exhibits honest wear consistent with age, showing moderate surface scratches and handling marks throughout, along with some wear and softening to the lug edges. The smooth integrated bezel displays scratches consistent with the rest of the case. The signed scalloped clover-style crown clearly shows the Omega logo and exhibits some plating wear on its edges. The caseback engravings remain legible. The domed acrylic crystal shows light surface scratches visible under direct light, with no major cracks. Movement Powered by the Omega Caliber 501 automatic movement, the caliber features copper-colored finishing and presents a generally clean appearance with minor surface marks. The rotor and bridges show intact finishing, and the screw heads appear in decent condition. Engravings clearly read OMEGA WATCH Co SWISS, TWENTY 20 JEWELS, 16551344, and 501. The timegrapher records 20s+22s/day. Performing well within expected vintage tolerances; running strong and steady. Strap The watch is fitted with a black leather strap featuring contrast stitching. The strap appears lightly used with minor creasing. Condition Good vintage condition. The case exhibits honest wear consistent with age, including moderate scratches and softening to the lug edges. The dial is heavily patinated with significant spotting and staining, complemented by oxidized hands and indices. The domed crystal shows light scratches, and the crown displays edge plating wear. Supported by the timegrapher data, the movement is running strong and steady. Dimensions The case measures 36mm (excluding the crown), with a lug width of 18mm. Remarks This Omega Seamaster stands out through its highly individualized, heavily stippled dial patina. The combination of the reliable Caliber 501, the classic 36mm case proportions, and the signed clover crown makes it an appealing choice for enthusiasts who appreciate a watch with distinct visual character. History The Omega Seamaster line, introduced in 1948, quickly became a foundation of the brand, celebrated for its robust construction and elegant design. By the late 1950s, models equipped with the Caliber 501 automatic movement represented a refined era of mid-century watchmaking. The Reference 2857 showcases the classic thick-lug case profile that has remained appreciated by enthusiasts, offering a durable yet sophisticated presence on the wrist. 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-OSX-0063