Longines Caliber 428 7873 9 (1970-1979)

Now available at auction from Second Vintage This classic 1970s square dress watch is presented in superb preservation, highlighted by its pristine vertically brushed silver dial and original signed stainless steel mesh bracelet. Housed in a sharply faceted stainless steel case, this Longines offers an elegant, highly attractive profile that typifies the refined design language of the era. Brand: Longines Reference Number: 7873 9 Serial Number: 16798794 Movement: Manual wind, caliber 428 Dial: Vertically brushed silver with black Roman numerals Case Size: 27 mm (excluding the crown) Case Material: Stainless steel Production Year: 1970s Condition: Excellent vintage condition. Timegrapher: -10-15s/day, performing remarkably well. Dial and Hands The pristine and elegant silver dial is defined by a striking vertical brushed finish that interacts beautifully with the light. Printed black Roman numerals provide a sharp, highly legible contrast against the textured surface, complemented perfectly by the applied Longines winged hourglass logo. The blackened stick hands remain incredibly clean, showing no visible oxidation or damage. The entire dial presentation is exceptionally well-preserved, with no visible spotting or degradation to detract from its elegant appearance. Case and Crystal The stainless steel case features a distinctive square geometry that remains remarkably sharp and well-preserved. A contrasting finish elevates the design, with a vertically brushed front face that serves as the bezel, flanked by polished sides. Light surface scratches consistent with careful use are present, yet the sharp edges and original case profile remain entirely intact. The flat crystal is clear, exhibiting no significant scratches or chips. Winding and setting are controlled via the original knurled crown, proudly signed with the Longines name and winged hourglass logo. Movement Inside beats the in-house Longines caliber 428 manual wind movement, featuring 17 jewels. The plates and bridges are impressively clean, displaying no visible corrosion or significant tool marks. The components bear the clear engravings of the maker alongside the caliber designation and the movement serial number 51980258. 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 its original signed stainless steel mesh bracelet, completing the unified 1970s aesthetic. The bracelet is original and well-preserved, showing no significant kinks, stretching, or damage. It secures via a clasp signed with the Longines winged hourglass logo, while the endlinks are stamped 8471. The bracelet will accommodate a maximum wrist fit of 19 cm. Condition Excellent vintage condition. The square stainless steel case retains its sharp edges and defined brushed and polished finishes, showing only light surface scratches from careful use. The vertically brushed silver dial and blackened hands are pristine, completely free of visible spotting or oxidation. The original mesh bracelet is entirely intact and structurally sound. Supported by the recorded timegrapher result, the caliber 428 movement is performing very strongly. Dimensions The case measures 27 mm (excluding the crown). Remarks This Longines stands out for its exceptional state of preservation and cohesive 1970s design. The combination of the sharply preserved square case, the flawless vertically brushed dial, and the original mesh bracelet makes this a highly compelling acquisition for enthusiasts of elegant dress watches. History During the 1970s, Longines produced a variety of refined dress watches that embraced bold geometric shapes and textured finishes. The reference 7873 9 exemplifies this design philosophy with its 27 by 27 millimeter square case, slim 7 millimeter thickness, and 35 millimeter lug-to-lug profile. Powered by the reliable manual wind caliber 428, these models were designed to offer elegance and precision in a remarkably slender package. Today, finding an example with its original factory finishes and matching mesh bracelet provides a wonderful window into the refined styling of that era. 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: LON-MXX-0003