<p>Shop Patek Philippe from a curated selection including the popular Patek Philippe Nautilus and Patek Philippe Aquanaut. Browse modern and vintage Patek Philippe watches. Discover your next Patek watch including the Patek Philippe Calatrava.</p>

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Patek Philippe

<p>In production for 21 years starting in 1961, the reference 3445 ‘monodate’ was the first automatic waterproof simple calendar wristwatch produced by <a href="https://www.sothebys.com/en/buy/luxury/watches/watch/patek-philippe" rel="noopener noreferrer" target="_blank">Patek Philippe</a> in series. Often perceived as the successor to the reference 2526, the 3445 carries the caliber 27 460 M (mono-date) that was similarly launched in this year. Whilst not as lavishly finished as 2526, the 27 460 proved a reliable and versatile heartbeat for other models such as the Perpetual calendars reference 2448 and 2450. In the late 1970s, the model received an update, with a higher bezel fitted along with sapphire crystal, and updated reference number 3445-100.</p>

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Patek Philippe