The Longines Watch Co. had its origins in the mid-1850's when Ernest Francillon took over his uncle Auguste Agassiz' comptoir and sought to modernize and standardize the production of watches. In 1866 Francillon established a watch factory at Les Longines on the Swiss River Suze, and over the years became reknown for high grade chronographs, pilot and dive watches, among others. While Longines has long been associated with aviation (as the Longines "wings" logo, trademarked in 1889, might testify), Longines also has a legacy of diving history as well. In 1953, the bathyscaphe Trieste set the record for deep sea diving using Longines instrumentation. In 1960, Longines released an iconic "super compressor" dive watch with dual crowns, recently rereleased as the "Legend." Here's a 1969 vintage Longines "Admiral" diver's automatic: LONGINES (SS "Admiral" Diver's Automatic) - Excellent 37mm signed stainless steel screwback case (reference 505-1002) with hidden lugs and silver rotating diver's bezel, signed 17 jewel calibre 505 automatic movement (#148004xx), excellent signed original matte black dial with luminous markers and "Explorer"-style arabic numerals at the quarters, raised silver Longines marque at 12:00 and 5-Star "Admiral" logo at 6:00, silver and luminous hands and sweep seconds, date aperture at 3:00, acrylic crystal with inner date magnifying prism, brand new generic black leather strap with stainless steel buckle. The serial number on the movement places the date of production of this piece at 1969. The watch is in excellent condition for this vintage! The signed stainless steel screwback case bears the reference number 505-1002, and is in excellent condtion. The silver rotating diver's bezel shows typical minor wear. The signed 17 jewel calibre 505 automatic movement is running fine and keeping excellent time, and the quickset calendar function works as designed (pressing on the crown). The movement is pictured on page 196 of Heinz Hampel's reference book, "Automatic Wristwatches from Switzerland," with the following description: "Rotor with heavy metal ring, winding in both directions via click-wheel switcher (at 5 and 7:00). Screwless Glucydur balance, Nivarox hairspring, Kif-Ultraflex shock resistance." The matte black dial is original in excellent condition, and is signed, "Longines, Automatic, Admiral, T Swiss T." This is a scarce and unusual 1969 vintage Longines dive watch. 1969 VINTAGE LONGINES "ADMIRAL" SS DIVER'S AUTOMATIC WITH HIDDEN LUGS! Sell for $495 plus shipping ($15 US Delivery or $60 International via Global Express).
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