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Patek Philippe – Reference 5230 World Time

Reference 5230 World Time

We owe the world time display on the Patek Philippe Reference 5230 (and indeed on other high-end world time watches) to a 1953 patent by Louis Cottier, a watchmaker from Carouge, who succeeded in displaying on a watch dial the notion of coordinated universal time devised by Sandford Fleming.

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