Now available at auction from Second Vintage This sought-after Omega Constellation features the highly regarded dial configuration, representing a peak in the brand's mid-century design. Powered by the chronometer-certified caliber 561 movement and retaining its well-preserved gold observatory medallion on the caseback, it offers an attractive vintage patina for the dedicated collector. Brand: Omega Model: Constellation Reference Number: CD 168.004 Serial Number: 24431307 Movement: Automatic, caliber 561, 24 jewels Case Size: 35mm (excluding the crown) Case Material: Gold-tone, stainless steel caseback Production Year: 1966 Condition: Good vintage condition. Timegrapher: +10+15s/day, performing remarkably well. Dial and Hands The dial features the highly regarded configuration, characterized by an attractive vintage patina with light, even spotting distributed across the surface. It is detailed with applied gold-tone indices featuring black inserts, alongside the applied Omega logo and Constellation star. The dauphine style hands, also featuring black inserts, display visible oxidation and spotting on their metal surfaces, aging gracefully to match the dial. Case and Crystal The gold-tone case front is paired with a stainless steel caseback, distinguished by a recessed crown and slim downturned lugs. The case flanks and lugs show moderate surface scratches and handling marks, with some softening of the lug edges from previous wear or polishing. An integrated gold-tone bezel displays surface scratches and light wear consistent with the rest of the case, presenting honest wear consistent with age. The stainless steel screw back features a notably well-preserved gold Constellation observatory medallion. The watch is fitted with a scalloped style crown, clearly signed with the Omega logo. A domed acrylic crystal protects the dial, showing light surface scratches visible under direct light but free of major cracks or chips. Movement Inside is the automatic chronometer-rated caliber 561, a 24-jewel movement adjusted to five positions and temperature. The copper-colored finish is bright and well preserved, maintaining a clean overall appearance with minimal signs of tool marks or oxidation. Both the rotor and bridges are in excellent visual condition, bearing the engraved Omega Watch Co Swiss signature. The timegrapher records a rate of +10+15s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with a black leather strap featuring brown stitching, showing light wear and creasing. Condition Good vintage condition. The case presents honest wear with moderate surface scratches and some softening to the lug edges. The beautiful dial and dauphine hands display an attractive and even vintage patina with visible spotting and oxidation. The caseback medallion remains beautifully preserved. The recorded timegrapher results indicate the movement is performing strongly. Dimensions The case measures 35mm in diameter, excluding the crown. Remarks This Constellation offers a highly desirable dial with an honest, even patina. The combination of the well-preserved observatory caseback medallion and the strong performance of the chronometer-certified caliber 561 makes this a compelling mid-century timepiece. History The reference CD 168.004, also known as the Constellation II, was launched by Omega in 1963. The case design is distinguished by its recessed crown, slim downturned lugs, and a screw back featuring the signature observatory medallion. It is powered by the self-winding chronometer-rated calibre 561, a highly regarded movement originally introduced in 1959, which helped cement the Constellation line's reputation for precision. 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-CXX-0013