{"product_id":"jaeger-lecoultre-18k-clous-de-paris","title":"Jaeger-LeCoultre 18k Yellow Gold Clous de Paris","description":"\u003cp data-start=\"94\" data-end=\"547\"\u003eThe origins of automatic wristwatch winding systems can be traced back to \u003cstrong data-start=\"168\" data-end=\"176\"\u003e1915\u003c\/strong\u003e, when \u003cstrong data-start=\"183\" data-end=\"199\"\u003eJohn Harwood\u003c\/strong\u003e introduced one of the earliest automatic mechanisms for wristwatches. Early systems often relied on what became known as the \u003cstrong data-start=\"325\" data-end=\"348\"\u003e“bumper” automatic”\u003c\/strong\u003e—a rotor that moved only through a partial arc, with springs mounted on either side. As the rotor swung back and forth, the springs would absorb the impact and transfer energy to wind the mainspring.\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"850\"\u003eBy \u003cstrong data-start=\"552\" data-end=\"560\"\u003e1928\u003c\/strong\u003e, developments such as the \u003cstrong data-start=\"587\" data-end=\"617\"\u003eIonic-type mounting system\u003c\/strong\u003e, which used a round bearing structure to support the movement within the case, further refined the concept. In this design, the movement and case arms could shift slightly up and down, improving the efficiency of the winding system.\u003c\/p\u003e\n\u003cp data-start=\"852\" data-end=\"1214\"\u003eThese early bumper-style automatics allowed the rotor to move through a limited half rotation. By directing this motion into a single winding direction, manufacturers were able to wind the mainspring effectively. However, watchmakers soon began pursuing systems capable of \u003cstrong data-start=\"1125\" data-end=\"1170\"\u003ewinding the mainspring in both directions\u003c\/strong\u003e, dramatically improving winding efficiency.\u003c\/p\u003e\n\u003cp data-start=\"1216\" data-end=\"1299\"\u003eThis pursuit led to several important milestones in automatic movement development.\u003c\/p\u003e\n\u003cp data-start=\"1301\" data-end=\"1543\"\u003eIn \u003cstrong data-start=\"1304\" data-end=\"1312\"\u003e1947\u003c\/strong\u003e, \u003cstrong data-start=\"1314\" data-end=\"1323\"\u003eFelsa\u003c\/strong\u003e introduced the \u003cstrong data-start=\"1339\" data-end=\"1355\"\u003eCaliber 1560\u003c\/strong\u003e, one of the earliest bidirectional automatic movements. In \u003cstrong data-start=\"1415\" data-end=\"1423\"\u003e1950\u003c\/strong\u003e, \u003cstrong data-start=\"1425\" data-end=\"1455\"\u003eRolex’s Bienne manufacture\u003c\/strong\u003e presented the \u003cstrong data-start=\"1470\" data-end=\"1486\"\u003eCaliber 1030\u003c\/strong\u003e, another important step in automatic winding technology.\u003c\/p\u003e\n\u003cp data-start=\"1545\" data-end=\"1647\"\u003eThen, in \u003cstrong data-start=\"1554\" data-end=\"1562\"\u003e1951\u003c\/strong\u003e, the manufacture \u003cstrong data-start=\"1580\" data-end=\"1593\"\u003eLeCoultre\u003c\/strong\u003e unveiled its own automatic movement: \u003cstrong data-start=\"1631\" data-end=\"1646\"\u003eCaliber 493\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1649\" data-end=\"2006\"\u003eWhat distinguished this movement from others was, above all, its remarkably \u003cstrong data-start=\"1725\" data-end=\"1755\"\u003ecompact size of just 20 mm\u003c\/strong\u003e. At a time when automatic movements were typically becoming larger to accommodate their winding systems, the ability to engineer such a compact automatic caliber was nothing short of revolutionary. It sent shockwaves through the watchmaking industry.\u003c\/p\u003e\n\u003cp data-start=\"2008\" data-end=\"2187\"\u003eThe movement also served as an \u003cstrong data-start=\"2039\" data-end=\"2055\"\u003eébauche base\u003c\/strong\u003e, influencing many subsequent developments in automatic watchmaking and contributing to the evolution of modern automatic movements.\u003c\/p\u003e\n\u003cp data-start=\"2189\" data-end=\"2253\"\u003eThe watch presented here houses this remarkable \u003cstrong data-start=\"2237\" data-end=\"2252\"\u003eCaliber 493\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2255\" data-end=\"2530\"\u003eIts \u003cstrong data-start=\"2259\" data-end=\"2287\"\u003esolid 18-carat gold case\u003c\/strong\u003e, measuring over \u003cstrong data-start=\"2304\" data-end=\"2313\"\u003e35 mm\u003c\/strong\u003e, commands a strong and confident presence on the wrist. Surrounding the dial is a beautifully crafted \u003cstrong data-start=\"2416\" data-end=\"2440\"\u003eClous de Paris bezel\u003c\/strong\u003e, whose intricate guilloché pattern elevates the design to something approaching pure art.\u003c\/p\u003e\n\u003cp data-start=\"2532\" data-end=\"2713\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWhile the dial has been \u003cstrong data-start=\"2556\" data-end=\"2566\"\u003eredone\u003c\/strong\u003e, the rest of the watch remains in exceptionally fine condition. Taken as a whole, it stands as a truly outstanding and highly desirable timepiece.\u003c\/p\u003e\n\u003cp data-start=\"2532\" data-end=\"2713\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003e- wrist size in our picture is 17cm circumference -\u003c\/strong\u003e\u003c\/p\u003e","brand":"Vintage Jaeger-LeCoultre Watches","offers":[{"title":"Default Title","offer_id":53136217571635,"sku":null,"price":748000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/1076\/0499\/files\/7802FF4B-C697-46F5-AD08-D14A0B8340A2.jpg?v=1775443158","url":"https:\/\/principe-prive-epocadoro.com\/products\/jaeger-lecoultre-18k-clous-de-paris","provider":"PRINCIPE PRIVE - Epoca d'Oro","version":"1.0","type":"link"}