{"product_id":"vintage-longines-watch-ultra-chron-8071-2-hi-beat-cal-431","title":"Vintage Longines watch ULTRA-CHRON 8071-2 Hi-beat Cal 431","description":"\u003cp\u003e\u003cstrong\u003eSPECIFICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e Longines ULTRA-CHRON 8071-2\u003cbr\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Automatic cal. 431\u003cbr\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e Circa 1969\u003cbr\u003e\u003cstrong\u003eCase Size:\u003c\/strong\u003e 35mm\u003cbr\u003e\u003cstrong\u003eCase Thickness:\u003c\/strong\u003e 9.5mm\u003cbr\u003e\u003cstrong\u003eLug to Lug:\u003c\/strong\u003e 39mm\u003cbr\u003e\u003cstrong\u003eLugs:\u003c\/strong\u003e 18mm\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used Longines watch\u003cbr\u003e\u003cstrong\u003eBox \u0026amp; Papers:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eCase Material:\u003c\/strong\u003e Stainless Steel\u003cbr\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-Months Warranty\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePOINTS TO MENTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn great preowned condition with light wear from use\u003c\/li\u003e\n\u003cli\u003eCase and bezel have some light scratches and marks\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFully serviced high Beat 36000 bph automatic movement\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatte grey dial \u003c\/li\u003e\n\u003cli\u003eLongines signed Crown\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePaired with an unworn blue leather strap \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTHE WATCH\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Longines Ultra-Chron 8071-2 is one of the standout models from Longines’ celebrated Ultra-Chron range of the late 1960s and early 1970s. Best known for its advanced high-beat automatic movement, the watch perfectly captures the innovative spirit of the era while maintaining the elegant styling Longines became famous for. With its clean design, wearable proportions, and impressive engineering, the 8071-2 has become a favourite among vintage watch enthusiasts.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the watch is the Longines Calibre 431, a groundbreaking automatic movement beating at 36,000 vibrations per hour. This high-frequency movement was considered incredibly advanced for its time and was designed to deliver improved accuracy and a noticeably smoother sweeping seconds hand compared to standard movements of the period. Longines even advertised the Ultra-Chron as being accurate to within one minute per month, highlighting the brand’s confidence in the technology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA BIT OF TRIVA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Longines Ultra-Chron was launched in 1966 to celebrate the 100 year anniversary of the company. \u003c\/span\u003e\u003cspan\u003eAt that time it was the world's most accurate watch. It was advertised within a “minute a month”. Hi-Beat movements started to be brought to market by the likes of Seiko in their Lord Marvel line Cal. 5740C. A pleasant side effect was the incredibly smooth seconds hand. Beating at 36000 beats per hour, Longines developed a new lubricant “molybdenum disulphide” which proved to remain on the parts longer than traditional oil lubricants. The Ultra-Chron line ran for nine years. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring the 1960s and 1970s, the Ultra-Chron collection gained attention, especially in the world of high-performance sports. It was known for its ability to keep precise time under extreme conditions. The Ultra-Chron was marketed as a watch capable of providing \"ultra\" precision, and it helped to solidify Longines' reputation as a manufacturer of quality, high-performance timepieces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Ultra-Chron was only produced until the mid-1970s, and examples are therefore hard to come by. Despite their rarity, this reference was produced in a variety of case and lug shapes, materials, and dial variations. The thick lugs and cushion-esque overall case shape seen on this example truly set it apart. Not to mention the great dial details.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2336\" data-end=\"2672\"\u003eThe Longines Ultra-Chron is remembered as one of the pioneering high-frequency mechanical watches and remains a symbol of Longines' ongoing commitment to precision and craftsmanship. Its introduction helped shape the trajectory of watchmaking in the mid-20th century, especially in the context of high-performance mechanical timepieces.\u003c\/p\u003e\n\u003cp data-start=\"2674\" data-end=\"2874\" data-is-only-node=\"\"\u003eWhile the Ultra-Chron may not be as widely recognized as other iconic Longines models, it holds a special place in horological history, marking a significant leap in mechanical watchmaking technology\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOUR THOUGHTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Longines Ultra-Chron may fly under the radar compared to other vintage icons, but it’s a true milestone in mechanical watchmaking. This Ultra-Chron showcases Longines’ dedication to precision and excellence. Every time I see a fine Longines, I’m reminded of the incredible value and rich history these watches carry and this piece is a perfect example. Crafted by one of Switzerland’s most respected manufacturers, it’s a standout vintage watch that any collector would be proud to own.\u003c\/p\u003e","brand":"Past2PresentWatches","offers":[{"title":"Default Title","offer_id":57996968132995,"sku":"LUC807WO","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/2397\/4423\/files\/longines-ultra-chron-8071-front-_3.jpg?v=1778236604","url":"https:\/\/past2presentwatches.com\/products\/vintage-longines-watch-ultra-chron-8071-2-hi-beat-cal-431","provider":"Past2PresentWatches","version":"1.0","type":"link"}