Presented for auction by Second Vintage A classic and sought-after execution of the Omega Constellation, this 1966 timepiece features a highly desirable silver sunburst dial in excellent preserved condition. Combining the signature gold observatory medallion on the caseback with the robust chronometer-certified Caliber 561 automatic movement, this watch represents a celebrated era of mid-century Swiss design and mechanical refinement. Brand: Omega Model: Constellation Reference Number: CD 168.004 Serial Number: 24430962 Movement: Automatic, Caliber 561, 24 Jewels Dial: Silver with sunburst finish Case Size: 35 mm (excluding the crown) Case Material: Gold-capped stainless steel Production Year: 1966 Condition: Good vintage condition. Movement serviced on 23 August 2026. Timegrapher: -10–12s/day, performing remarkably well. Dial and Hands The exceptionally clean and attractive silver dial features a beautiful sunburst finish. Applied gold-tone faceted indices and a matching Omega logo provide elegant depth, while the text printing remains crisp and fully legible. The dial is wonderfully preserved, showing only very minor spotting visible strictly under high magnification. The original gold-tone dauphine hands display age-consistent character, with noticeable oxidation and spotting present on the surface of the hour and minute hands. The sweep seconds hand shows minor aging that complements the vintage aesthetic. Case and Crystal The gold-capped over stainless steel construction displays honest vintage wear while retaining its preserved overall geometry. The lugs and case flanks show moderate surface scratches and handling marks, with some wear visible along the edges of the gold capping. A smooth gold-tone bezel is integrated seamlessly with the case, exhibiting light surface scratches consistent with the rest of the watch. The stainless steel caseback features the signature gold observatory medallion, which remains intact and shows light scratches. The watch retains a period-correct signed Omega decagonal crown showing light wear to the knurling. A clear, domed acrylic crystal protects the dial, free from any major scratches, cracks, or crazing. Movement Powering the watch is the chronometer-certified Omega Caliber 561 automatic movement, featuring 24 jewels and adjusted to five positions and temperature. The signature copper-colored plating remains bright and well-preserved. The rotor and bridges display clean finishing with minimal marks, the screw heads appear in good condition, and there are no obvious signs of corrosion or moisture damage. Recording -10–12s/day on the timegrapher. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The movement was serviced on 23 August 2026. Strap The watch is fitted with a complementary black leather strap featuring beige contrast stitching. The material shows light creasing and signs of gentle use, pairing handsomely with the gold tones of the case. Condition Good vintage condition. The movement was serviced on 23 August 2026 and, supported by the recorded timegrapher result, is performing very strongly. The case displays honest wear, including moderate scratches, handling marks, and some wear to the gold-capped edges, yet retains its fundamental geometry. The silver sunburst dial is beautifully preserved with only minor micro-spotting, while the original hands exhibit noticeable surface oxidation. The acrylic crystal remains clear and highly presentable. Dimensions The case measures 35 mm (excluding the crown). Remarks This Constellation is a collector favorite, driven by its beautifully preserved silver sunburst dial and the acclaimed Caliber 561 movement. Retaining its signature observatory caseback medallion and period-correct decagonal crown, it is a superb opportunity to acquire a classic and thoroughly authentic mid-century chronometer. History Introduced in 1952, the Omega Constellation was established as the brand's flagship chronometer line, dedicated to precision timekeeping and elegant design. The collection is instantly recognized by the observatory medallion on the caseback, symbolizing Omega's award-winning precision records at the Kew-Teddington and Geneva observatories. The refined dial designs produced during the 1950s and 1960s are particularly celebrated by collectors for their timeless styling and elegant finishing. The Caliber 561 housed within this model is widely regarded as one of Omega's finest automatic movements of the era, offering robust engineering and refined chronometer performance. 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-OAC-0004