{"product_id":"chronographe-zenith-el-primero-surf-cal-3019phc","title":"Zenith El Primero cal. 3019 PHC 1970s","description":"\u003cp\u003e\u003cem\u003eThe world's first automatic chronograph.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference 20.0210.415 (\"Surf\" Edition)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOn January 10, 1969, Zenith unveiled the El Primero, the world's very first automatic chronograph. The \"Surf\" model presented here dates from the 1970s and was produced in limited quantities.\u003cbr\u003eA historic manufacture from Le Locle, Zenith nonetheless asserted its technical mastery amid fierce competition in watchmaking, on the eve of the quartz crisis. The caliber 3019 PHC powering this piece beats at 36,000 vibrations per hour, an unprecedented frequency allowing time to be measured with record precision down to 1\/10th of a second. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGold-plated steel,\u003c\/li\u003e\n\u003cli\u003eCushion case\u003c\/li\u003e\n\u003cli\u003eSigned crown\u003c\/li\u003e\n\u003cli\u003eDiameter 36 mm (excluding crown)\u003c\/li\u003e\n\u003cli\u003eOriginal mineral crystal (a few barely visible scratches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMovement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZenith caliber 3019 PHC, automatic column-wheel, quick date change via the crown\u003c\/li\u003e\n\u003cli\u003eTo find out how to change the date, you can check \u003ca href=\"https:\/\/vintagewatchspirit.com\/fr-fr\/blogs\/articles\/comment-utiliser-une-montre\" title=\"Le fonctionnement d'une montre vintage\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eour dedicated article here\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDial\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGilt, tone-on-tone with the three chronograph counters (small seconds, minutes and hours)\u003c\/li\u003e\n\u003cli\u003eDate window below 4 o'clock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWrist size in photo \/ video: 17cm\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWatch serviced in July 2026\u003c\/strong\u003e\u003c\/p\u003e","brand":"Zenith","offers":[{"title":"Default Title","offer_id":53669526962523,"sku":null,"price":3000.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/7919\/9835\/files\/zenithelprimero.jpg?v=1785504429","url":"https:\/\/vintagewatchspirit.com\/en-pt\/products\/chronographe-zenith-el-primero-surf-cal-3019phc","provider":"Vintage Watch Spirit ","version":"1.0","type":"link"}