Royal Ammar bin Humaid Al Nuaimi spotted wearing a Patek Philippe

Sheikh Ammar bin Humaid Al Nuaimi, Crown Prince of Ajman and one of the UAE's more watch-literate royals, was recently photographed wearing a Patek Philippe Nautilus Perpetual Calendar in 18kt white gold — reference 5740G. The choice speaks clearly to a collector with serious horological priorities rather than a reflexive taste for trophy pieces.

The Patek Philippe Nautilus 5740G debuted in 2018, representing the manufacture's most complex interpretation of Gerald Genta's 1976 sports-watch design. At its heart sits the manually wound Calibre 240 Q — an ultra-thin, 3.28mm automatic movement featuring a peripheral rotor — which manages a perpetual calendar with leap-year indication, retrograde date, day, month, four-digit year display, and a moonphase accurate to one day's deviation in 122 years. Fitting all of this into a case measuring just 40mm in diameter and 8.42mm in height is a genuine engineering achievement that Patek Philippe was years in development to realize.

The 5740G holds a particular place in the collector hierarchy. It was discontinued in 2021 after a relatively short production run, making surviving examples increasingly difficult to source through official channels. The white gold reference is the rarer sibling to the yellow gold 5740J, and its blue dial — echoing the classic Nautilus palette — reinforces its desirability among purists. For serious collectors, the 5740G sits at the intersection of two perennially sought categories: Nautilus sports references and grand complications.

Sheikh Ammar, who maintains an active social media presence under the handle @aj.ammar, has previously demonstrated a discerning watch collection. Choosing the 5740G over the more immediately recognizable Nautilus 5711 or 5726 signals a collector who values mechanical depth alongside the iconic case form.

On the secondary market, the Patek Philippe Nautilus Perpetual Calendar 5740G commands a substantial premium above its original retail pricing. Grey-market values have remained firm given the reference's discontinued status and constrained supply, with demand from both Middle Eastern and Asian collectors keeping prices elevated well into six-figure territory.