Now available at auction from Second Vintage The f300Hz electronic movement represents a fascinating era of horology, and this Constellation pairs that sought-after humming caliber with a striking vertically brushed dial. Housed in a classic 1970s tonneau case, it offers collectors a highly distinctive piece of early electronic watchmaking. Brand: Omega Model: Constellation Reference Number: 198 0034 Serial Number: 36954118 Movement: Electronic tuning fork, Omega Caliber 1260, 12 jewels Dial: Gold-tone with vertical brushed finish and day-date aperture Case Size: 38 mm (excluding the crown) Case Material: Gold-plated (80 microns) with Stainless Steel back Production Year: 1973 Condition: Good vintage condition. Dial and Hands The gold-tone dial is remarkably well preserved, featuring a striking vertical brushed finish that plays beautifully with the light. All typography remains crisp throughout, complementing the clean applied Omega logo and indices. A practical day-date window is positioned at three o'clock, presenting cleanly in English. The black and gold baton style hands are in excellent condition, showing a neat finish with no significant oxidation or damage. Case and Crystal This Constellation features a classic 1970s tonneau shape, combining a brushed top surface with polished flanks and an integrated brushed bezel. The gold-plated case displays honest wear, with scratches and handling marks visible on the polished sides and light handling marks on the bezel. Tarnish and oxidation are present on the gold plating near the stainless steel caseback edge, though the overall case lines and edges remain reasonably defined. The watch is fitted with a signed Omega crown featuring intact knurling and light wear. A domed acrylic crystal protects the dial, remaining clear overall with minor surface scratches visible in certain reflections. Movement Inside hums the Omega Caliber 1260 electronic tuning fork movement, a sought-after piece of early electronic watchmaking. The copper-colored plates present cleanly, with clear engravings including the unadjusted marking, jewel count, and the serial number matching the watch identity. A battery is installed, and the movement shows no obvious signs of corrosion or damage. Strap The watch is paired with a black textured leather strap featuring yellow contrast stitching. The strap appears unworn or very lightly used, providing a comfortable and striking complement to the gold-tone case. Condition Good vintage condition. The well-preserved dial and hands stand out as highlights of this piece. The case exhibits honest wear typical of its age, including scratches on the polished flanks and oxidation on the gold plating near the caseback. The crystal shows minor surface scratches, while the tuning fork movement is clean and intact. Dimensions The case measures 38 mm (excluding the crown). Remarks This Constellation offers a highly appealing combination of early 1970s tonneau geometry and fascinating tuning fork technology. The vertically brushed dial is beautifully preserved, making this a compelling choice for collectors of early electronic horology. History Introduced during the transitional period of the early 1970s, the Omega Constellation f300Hz line represented a bold step into the future of precision timekeeping. Utilizing licensed Bulova tuning fork technology, Omega refined the electronic movement to meet rigorous chronometer standards, resulting in the Caliber 1260. These watches are celebrated by collectors today for their characteristic smooth sweeping seconds hand and distinctive humming sound. The tonneau case design firmly roots this model in the adventurous styling of its era, marking a unique chapter in the prestigious Constellation family. 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-OCC-0044