Omega Constellation Chronometer ST 168 0056 (1973)

Now available at auction from Second Vintage This classic vintage Constellation features the widely recognized C-shape tonneau case design. With its attractive vertically brushed silver dial, crisp observatory medallion on the caseback, and a chronometer-certified automatic movement, this 1973 example presents a highly appealing configuration for collectors of mid-century Omega design. Brand: Omega Model: Constellation Reference Number: ST 168 0056 Serial Number: 36159466 Movement: Automatic Caliber 1011 Dial: Silver with vertical brushed finish Case Size: 34 mm (excluding the crown) Case Material: Stainless steel Production Year: 1973 Condition: Good vintage condition. Timegrapher: -5-9s/day, performing remarkably well. Dial and Hands The clean and well-preserved silver dial features an attractive vertical brushed finish. It is fitted with applied baton indices containing black inserts, which perfectly match the baton hands. An applied Omega logo sits below twelve o'clock, complemented by crisp black printing and a framed date window positioned at three o'clock. The hands display clean surfaces with no significant oxidation or damage, showing minimal signs of aging overall. Case and Crystal The stainless steel C-shape tonneau case displays brushed finishing on the top surfaces with polished flanks. The case exhibits honest wear, with moderate scratches and scuffs consistent with age and use, yet the edges remain reasonably defined. The caseback features a crisp Constellation Observatory medallion. A signed, knurled Omega crown remains in good condition with defined knurling. The domed acrylic crystal is clear, showing only minor surface scratches visible under certain lighting angles. Movement Inside is the chronometer-certified automatic Omega Caliber 1011, featuring copper-colored plates and bridges. The main plates appear relatively clean, though heavy tarnishing and spotting are visible on the steel segment of the rotor. Engravings confirm the movement is adjusted to five positions and temperature, utilizing 23 jewels. The timegrapher records -5-9s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with a black leather strap featuring an alligator grain pattern and white contrast stitching. The strap currently shows light wear. Condition Good vintage condition. The stainless steel case displays honest wear with moderate scratches and scuffs, maintaining reasonably defined edges. The dial and hands are well-preserved and highly legible, showing minimal aging. The movement exhibits heavy tarnishing on the rotor's steel segment alongside cleaner main plates, and timegrapher data confirms strong current performance. Dimensions The case measures 34 mm (excluding the crown). Remarks This Constellation combines the celebrated C-shape case geometry with a highly legible, black-accented silver dial. The presence of a crisp observatory medallion and strong timegrapher performance make this an excellent addition to any rotation. History The Omega Constellation reference ST 168.0056 was introduced as part of the brand's 1972 international collection. It is powered by the chronometer-certified Omega Caliber 1011, which beats at 28,800 A/h and features a quickset date. The caseback is traditionally decorated with the Constellation Observatory medallion, depicting an astronomical observatory surrounded by eight stars, symbolizing the brand's precision records. 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-CCX-0009