Offered in this auction by Second Vintage A superb example of Longines’ pioneering craftsmanship, this Ultra-Chron Automatic Ref. 8042-3 showcases the brand’s excellence in high-beat movement technology and distinctive 1970s design. Powered by the robust Caliber 433 and featuring an alluring silver sunburst dial, this rare timepiece is a prime choice for vintage watch enthusiasts and collectors. The watch is further enhanced by the presence of its original Longines-signed buckle—an uncommon detail that adds to its authenticity and appeal. Brand: Longines Model: Ultra-Chron Automatic Reference Number: 8042-3 Serial Number: 50135641 Movement: Longines Caliber 433, automatic, high-beat Dial: Silver sunburst with applied baton indices, red Ultra-Chron logo, and date window at 3 o’clock Case Size: 31 mm (excluding the crown) Case Material: Stainless steel Production Year: 1976 Condition: Honest vintage condition with attractive patina, light signs of age-appropriate wear, and a timegrapher reading of +36 to +41 seconds per day, running within vintage tolerances. Dial and Hands The silver sunburst dial features a pronounced vertical texture and evenly developed patina, emblematic of Longines dials from this era. Applied baton indices and the vibrant red Ultra-Chron logo create visual impact, while the date window at 3 o’clock remains sharp and clear. The original hands display consistent, age-appropriate lume and retain their straight profiles, showcasing their vintage authenticity. Case and Crystal The 31 mm stainless steel case is defined by its angular lines and distinctive lugs, reflecting classic 1970s Longines styling. The case shows gentle, honest wear with light surface hairlines that underscore its well-preserved vintage character. The original Longines-signed crown remains intact. The acrylic crystal offers good clarity and is free from notable scratches—ensuring excellent legibility of the dial. Movement At its heart is the renowned Longines Caliber 433, a high-beat automatic movement recognized for its reliability. Timegrapher results show a rate of +36 to +41 seconds per day, confirming performance within vintage tolerances. This is a non-quickset date version: the date is advanced using the 9-12 method, moving the hands between 9 and 12 o’clock to change the date. Note: on some of the dates there is a slight misallignment. Strap This watch is fitted with a gently worn strap that fits wrists up to 18 cm, and features the original Longines-signed buckle—a collectible detail rarely retained and highly valued by enthusiasts. Condition Presented in authentic and well-preserved vintage condition, this Ultra-Chron displays attractive patina on the dial, strong case geometry with crisp edges, and intact original details. Light surface marks and careful wear are visible, enhancing its vintage character. The movement runs within vintage tolerances, as supported by the included timegrapher results. Dimensions Case diameter: 31 mm (excluding the crown) Wrist size: Fits up to 18 cm Remarks This Longines Ultra-Chron Automatic masterfully represents the brand’s dedication to mechanical innovation and timeless style, further distinguished by the original signed buckle. With its classic proportions, storied high-beat movement, and compelling vintage condition, it is an outstanding and complete addition to any serious watch collection. History Introduced in the late 1960s, the Longines Ultra-Chron range marked a milestone for the brand with high-frequency movements designed for superior accuracy. The red Ultra-Chron logo established a new icon in the world of horology, symbolizing precision and advanced engineering. Today, Ultra-Chron models remain highly sought after by collectors for their mechanical pedigree, distinctive design, and deep historical significance. Payment and Shipping Payment must be completed within 1-3 days after purchase. The watch will be securely packaged and shipped with tracking and insurance for your peace of mind. Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation. As with all vintage watches, water resistance is not guaranteed. The watch will be delivered in fully functional working condition. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: LON182VQK7000