{"product_id":"cpo-zenith-chronomaster-open-033300360469m3300-geneva","title":"Chronomaster Open","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"afcfb4e9-179c-4f17-9a05-a6fccf421d09\" data-testid=\"conversation-turn-134\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"85875769-ead1-431b-a4d3-679605ee164d\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"152\" data-end=\"514\"\u003eThe Zenith Chronomaster Open, reference 03.3300.3604\/69.M3300, is a contemporary expression of Zenith’s legendary high-frequency chronograph expertise. Instantly recognisable for its open-heart display revealing the regulating organ, this certified pre-owned luxury watch is presented in new condition and supplied as a full set with its original box and papers.\u003c\/p\u003e\n\u003cp data-start=\"516\" data-end=\"1024\"\u003eThe watch features a 39.5 mm stainless steel case with refined proportions and a balanced wrist presence. The silver dial enhances its elegant yet technical character, complemented by Zenith’s signature overlapping chronograph sub-dials. The open aperture at approximately 9 o’clock reveals the high-frequency escapement in motion, offering a direct view of the 5 Hz (36,000 vibrations per hour) balance wheel. Applied hour markers and faceted hands filled with luminous material ensure excellent legibility.\u003c\/p\u003e\n\u003cp data-start=\"1026\" data-end=\"1464\"\u003ePowering the watch is the in-house Zenith El Primero 3604 automatic chronograph movement. This advanced calibre operates at a high frequency of 5 Hz, allowing precise 1\/10th of a second chronograph measurement. It features a column wheel architecture and delivers a power reserve of approximately 60 hours. The movement can be admired through the sapphire crystal case back, showcasing Zenith’s meticulous finishing and technical mastery.\u003c\/p\u003e\n\u003cp data-start=\"1466\" data-end=\"1911\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe stainless steel bracelet integrates seamlessly with the case, providing durability, comfort, and a cohesive sporty-elegant aesthetic. Offered in new condition and accompanied by its original box and papers, this pre-owned luxury watch represents an exceptional opportunity to acquire a full set Zenith Chronomaster Open 03.3300.3604\/69.M3300, combining iconic El Primero performance, contemporary design, and refined mechanical transparency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Zenith","offers":[{"title":"Default Title","offer_id":56717349126488,"sku":"ZE538","price":6800.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/4264\/7384\/files\/zenith-chronomaster-open-033300360469M3300-1.jpg?v=1771078816","url":"https:\/\/mintywatches.ch\/products\/cpo-zenith-chronomaster-open-033300360469m3300-geneva","provider":"Minty Watches","version":"1.0","type":"link"}