{"product_id":"vintage-jaeger-lecoultre-memovox-alarm-ref-3151-floating-disk-mystery-dial-10k-gold-filled-1950s","title":"Vintage Jaeger-LeCoultre Memovox Alarm, Ref. 3151, Floating Disk Mystery Dial, 10K Gold Filled, 1950s","description":"\u003cp data-start=\"1090\" data-end=\"1098\"\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eThis vintage Jaeger-LeCoultre Memovox reference 3151 is one of the most historically important watches ever made by the \"watchmaker's watchmaker.\" Introduced in 1950 at the Basel Fair, Jaeger-LeCoultre's alarm wristwatch was one of the most significant releases within the watch industry. Signed \"LeCoultre\" on the dial, this example was destined for the American market - the shorter signature that US collectors know so well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1066\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe star of this watch is the dial - a beautiful \"Mystery Dial\" with a floating rotating disc at its center. The inner rotating alarm disc have a champagne finish, with the alarm triangle floating on its surface - set it to the desired time and the disc rotates to position it, ready to trigger the buzz.\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1066\"\u003e\u003cspan\u003eInside, the manual-wind Caliber 489\/1 keeps time and is controled by two crowns. \u003cmeta charset=\"UTF-8\"\u003eThe upper crown winds and sets the alarm; the lower crown winds and sets the time - two separate functions powered by two separate mainspring barrels inside the movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1066\"\u003e\u003cspan\u003e\u003cmeta charset=\"UTF-8\"\u003eAbout 47,500 caliber 489 movements were produced across the full production window, and with the 3151 confirmed as an early-1950s reference, surviving examples with original dials and cases are genuinely scarce.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1090\" data-end=\"1098\"\u003e\u003cstrong data-start=\"1090\" data-end=\"1098\"\u003eCASE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1099\" data-end=\"1340\"\u003e\n\u003cli data-section-id=\"1039wnp\" data-start=\"1099\" data-end=\"1123\"\u003e10k gold-filled case\u003c\/li\u003e\n\u003cli data-section-id=\"p1evq\" data-start=\"1124\" data-end=\"1161\"\u003eDiameter: 35 mm (excluding crown)\u003c\/li\u003e\n\u003cli data-section-id=\"6q37ru\" data-start=\"1162\" data-end=\"1185\"\u003eLug-to-lug: 39.7 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1m1ip1\" data-start=\"1186\" data-end=\"1206\"\u003eThickness: 10 mm\u003c\/li\u003e\n\u003cli data-section-id=\"apv5pf\" data-start=\"1207\" data-end=\"1227\"\u003eLug width: 18 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1pczxxs\" data-start=\"1228\" data-end=\"1269\"\u003eTwo crowns for time and alarm setting\u003c\/li\u003e\n\u003cli data-section-id=\"uc2g3r\" data-start=\"1270\" data-end=\"1305\"\u003eCaseback marked 10K gold filled\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1342\" data-end=\"1350\"\u003e\u003cstrong data-start=\"1342\" data-end=\"1350\"\u003eDIAL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1351\" data-end=\"1625\"\u003e\n\u003cli data-section-id=\"eg5x26\" data-start=\"1351\" data-end=\"1412\"\u003eOriginal silver dial with central floating (mystery) disk\u003c\/li\u003e\n\u003cli data-section-id=\"18rqlyz\" data-start=\"1413\" data-end=\"1488\"\u003eApplied triangular hour markers with Arabic numerals at 12, 3, 6, and 9\u003c\/li\u003e\n\u003cli data-section-id=\"8km2yj\" data-start=\"1489\" data-end=\"1539\"\u003eDauphine hands with blued alarm indicator hand\u003c\/li\u003e\n\u003cli data-section-id=\"xw4gpp\" data-start=\"1540\" data-end=\"1588\"\u003e“LeCoultre” signature and “Wrist Alarm” text\u003c\/li\u003e\n\u003cli data-section-id=\"16bfuhu\" data-start=\"1589\" data-end=\"1625\"\u003eClean and well-preserved overall\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1627\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1627\" data-end=\"1639\"\u003eMOVEMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1640\" data-end=\"1761\"\u003e\n\u003cli data-section-id=\"ovri3m\" data-start=\"1640\" data-end=\"1687\"\u003eCaliber 489\/1 manual-winding alarm movement\u003c\/li\u003e\n\u003cli data-section-id=\"jb2hsc\" data-start=\"1688\" data-end=\"1701\"\u003e17 jewels\u003c\/li\u003e\n\u003cli data-section-id=\"1631vhu\" data-start=\"1702\" data-end=\"1731\"\u003eMechanical alarm function\u003c\/li\u003e\n\u003cli data-section-id=\"1631vhu\" data-start=\"1702\" data-end=\"1731\"\u003eFully serviced and in working condition\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuMarko","offers":[{"title":"Default Title","offer_id":49026016575740,"sku":null,"price":2500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/2266\/1116\/files\/vintage-jaeger-lecoultre-memovox-alarm-ref-3151-floating-disk-mystery-dial-10k-gold-filled-1950s-3179020.jpg?v=1777342816","url":"https:\/\/dumarko.com\/fr\/products\/vintage-jaeger-lecoultre-memovox-alarm-ref-3151-floating-disk-mystery-dial-10k-gold-filled-1950s","provider":"DuMarko","version":"1.0","type":"link"}