Patek Philippe Introduces the Minute Repeater Tourbillon Singapore 2019 Ref. 5303R (With Price)
Of the special edition watches created for the Watch Art Grand Exhibition Singapore 2019, one is entirely new, and it also happens to be the most complicated – the Minute Repeater Tourbillon Singapore 2019 Ref. 5303R-010. The model reference reveals the key design feature of the watch, like the preceding ref. 5304R, the new watch has no dial, so the mechanics below are revealed in all their glory. This creates a first for a Patek Philippe wristwatch – it shows the tourbillon regulator at six o’clock, something that has historically been hidden on the back of all wristwatch tourbillons. Protecting the tourbillon The rationale for hiding the tourbillon from view was to prevent exposure to UV light, which can ostensibly break down the lubricants that keep the tourbillon in optimum running condition. Consequently, the sapphire disc over the tourbillon regulator has a UV protection coating to prevent the lubricants from being exposed to sunlight. A reworked movement The new ref. 5303R is powered by the R TO 27 PS movement, which combines a minute repeater and tourbillon. Though it’s based on the longstanding cal. R 27, the movement was significantly reengineered to show off the striking mechanism under the dial. Amongst the changes are a larger base plate, as well as a rearrangement of the hammers and gongs, which required 20 new components to be added. Interestingly, the hammers have been slightly ground down around the edges that point towards the hands, so as ...
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