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Royal Abdul Mateen spotted wearing Patek Philippe

Prince Abdul Mateen of Brunei — fourth son of Sultan Hassanal Bolkiah and one of the most-watched young royals in Southeast Asia — was recently spotted on the wrist with one of Patek Philippe's most technically compelling sport watches: the Nautilus Perpetual Calendar in 18kt white gold, reference 5740G.

The 5740G represents the successful marriage of two of Patek Philippe's most storied traditions: the Nautilus sports-watch lineage, born in 1976 from Gerald Genta's drafting table, and the maison's centuries-old mastery of perpetual calendar complications. Measuring 40mm in diameter and a remarkably slim 8.42mm in height, the case is crafted in 18kt white gold with the Nautilus's signature horizontally embossed dial — here rendered in a deep blue that plays beautifully against the cool tone of white gold. The movement is caliber 240 Q, a self-winding micro-rotor movement with a perpetual calendar that automatically accounts for months of different lengths through 2100, adjusted for leap years, and displays moon phase accurate to one day's error per 122 years.

Patek Philippe introduced the 5740G in 2018, and the market recognized it immediately as extraordinary. Production was limited, and Patek officially discontinued the reference in 2021, making every existing example a finite commodity. Unlike the 5726A — its steel predecessor in the Nautilus perpetual calendar family — the 5740G in white gold commands a rarefied position in collector circles, appreciated for its technical depth and its relative restraint compared to yellow or rose gold variants.

Prince Abdul Mateen is no casual watch wearer. The prince has appeared publicly in pieces ranging from Richard Mille to A. Lange & Söhne, demonstrating a collection assembled with genuine connoisseurship rather than mere luxury signaling. The 5740G suits his profile precisely — a grand complication worn as a daily piece, which is exactly what Patek intended.

On the secondary market, the 5740G in white gold trades at a substantial premium over its original list price, reflecting both discontinuation status and sustained global demand for Nautilus complications. Buyers should expect to pay well above retail, with grey-market figures consistently in the $175,000–$210,000 range depending on condition and provenance.