Watch Paparazzi

Royal Hassanal Bolkiah spotted wearing Patek Philippe

Sultan Hassanal Bolkiah of Brunei, one of the longest-reigning monarchs in the world and a collector whose watch holdings are the stuff of horological legend, was recently spotted wearing the Patek Philippe Nautilus Reference 5711/1A-010 — the stainless steel sports watch that has defined the ultra-luxury segment for decades. For a man whose collection reportedly includes unique-piece grand complications and bespoke commissions from virtually every major maison, the 5711 represents something of a studied understatement.

The Patek Philippe Nautilus 5711/1A-010 is built around the Calibre 26-330 S C automatic movement, offering a power reserve of approximately 45 hours and beating at 28,800 vph. The 40mm stainless steel case — designed by the late Gérald Genta and introduced in 1976 — features the signature porthole-inspired bezel with horizontal embossed stripes, an integrated bracelet, and the celebrated blue gradient sunburst dial with applied hour markers. Water resistance stands at 120 metres. This reference succeeded the 5711/1A-001 and remained in continuous production until Patek Philippe officially retired the entire 5711 line in January 2021, citing the need to move the Nautilus family forward.

The decision to discontinue the 5711 transformed an already white-hot secondary market into something approaching a frenzy. The reference had long commanded premiums over its CHF 29,990 list price, but post-discontinuation the grey market surged well past the $100,000 mark at peak demand. Today, realistic transactions on a clean example with box and papers settle in the $75,000 range — still representing a dramatic premium over retail, and a testament to the reference's enduring collector cachet. The 5711/1A-010 sits at the intersection of heritage design, impeccable manufacture, and genuine scarcity.

Hassanal Bolkiah's relationship with Patek Philippe runs deep. The Sultan is known to hold an extraordinary number of bespoke and unique Patek pieces, making appearances of standard references all the more noteworthy — it signals personal affection for the design rather than mere acquisition.

At current grey-market pricing around $75,000, the Patek Philippe Nautilus 5711/1A-010 remains a benchmark acquisition. Its retirement has only cemented its place as the defining steel sports watch of its era.