Omega Caliber 284 2905-1 SC (1950-1959)

Now available at auction from Second Vintage This classic mid-century Omega dress watch presents a handsome and traditional aesthetic from a highly respected era of Swiss watchmaking. Featuring a heavy 80-micron gold-plated case and an attractive silver dial with elegant dauphine hands, this timepiece offers substantial vintage character. Powered by the beautifully preserved Omega Caliber 284 manual-wind movement, it remains a charming and highly capable mechanical companion. Brand: Omega Reference Number: 2905-1 SC Serial Number: 15377811 Movement: Manual-wind, Caliber 284, 17 jewels Dial: Silver/off-white with applied gold-tone indices and light patina Case Size: 34mm (excluding the crown) Case Material: Gold-plated (80 microns), stainless steel caseback Production Year: Circa 1956 Condition: Good vintage condition. Timegrapher: +19+20s/day, performing remarkably well. Dial and Hands The silver, off-white dial displays an attractive light patina characterized by even spotting across the surface. Applied gold-tone indices and the raised Omega logo remain fully intact, while the printed text is crisp and highly legible. The classic gold-tone dauphine hands show visible oxidation and spotting on their surfaces, perfectly matching the honest aging of the dial. Case and Crystal Measuring 34mm, the case features heavy 80-micron gold plating over a stainless steel caseback. It displays honest vintage wear, with moderate scratches and handling marks throughout, as well as some verdigris and green oxidation visible at the caseback seam. The lugs retain a generally good shape with some softening along their edges. A smooth gold-plated bezel is integrated naturally into the case design, showing scratches consistent with the rest of the exterior. The watch is fitted with a gold-tone knurled crown featuring a flat face and no visible signature. A domed acrylic crystal protects the dial, remaining clear with only minor surface scratches visible under direct light. Movement Inside beats the Omega Caliber 284 manual-wind movement, featuring 17 jewels. The signature copper-colored finish is bright and wonderfully preserved. The plates and bridges remain clean with minimal signs of handling, and the screw heads show very minor wear. Factory engravings, including the Omega name, caliber, and serial number, are clearly visible. Reading +19+20s/day on the timegrapher. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is paired with a brown leather strap featuring contrast stitching, which shows light wear. Condition Good vintage condition. The dial shows an attractive, even spotting, and the hands display visible oxidation. The heavy gold-plated case exhibits moderate scratches, some softened lug edges, and visible verdigris at the caseback seam. The movement is remarkably clean and, supported by the timegrapher results, is performing strongly. Dimensions The case measures 34mm (excluding the crown). Remarks This Omega offers a wonderful combination of mid-century dress elegance and robust mechanical performance. The heavy 80-micron gold plating provides excellent warmth, while the beautifully preserved Caliber 284 makes it a rewarding watch to wind and wear. History During the 1950s, Omega produced some of the most elegant and structurally robust dress watches on the market. This era was defined by clean dials, applied markers, and elegant dauphine hands, creating an enduring aesthetic that remains highly appreciated today. The Caliber 284 belongs to Omega's celebrated family of manual-wind movements from this period, known for their excellent finishing, reliable architecture, and enduring precision. / Second Vintage SKU: OME-XXX-0029