Royal Tunku Ismail Ibni Sultan Ibrahim spotted wearing a Rolex

Tunku Ismail Ibni Sultan Ibrahim, the Crown Prince of Johor known widely as TMJ, was recently spotted on the wrist wearing the Rolex Cosmograph Daytona Platinum Diamond Bezel Reference 116576TBR — a watch that sits firmly at the apex of what Geneva's most commercially successful manufacture will sell you off the shelf.
The Rolex Cosmograph Daytona Ref 116576TBR is constructed entirely in 950 platinum, a material Rolex reserves for its most exclusive Daytona variants. The bezel is set with 36 individual baguette-cut diamonds, while the ice-blue dial — a colour Rolex uses exclusively on platinum models as a visual hallmark of the metal — features subsidiary dials in a darker contrasting tone. The lumed Arabic numerals and tachymetre scale maintain the Daytona's motorsport DNA even at this level of jewellery-grade finishing. Driving the watch is the Calibre 4130, Rolex's vertically integrated, column-wheel chronograph movement featuring a COSC-certified movement with a 72-hour power reserve and a 28,800 vph frequency — technically rigorous by any standard.
The 116576TBR occupies a singular position in the collector universe. Unlike the steel or gold Daytona references that dominate grey-market speculation, this platinum diamond reference attracts a more discreet but deeply serious buyer. It is not a watch that trades on waiting lists or flipping culture — it trades on genuine rarity, the relatively limited audience willing to spend at this level, and the prestige of full platinum construction. It is, in short, a royal watch in material reality as much as social perception.
TMJ has long been recognised as a serious watch collector, with documented sightings spanning Patek Philippe complications, Royal Oak references, and other summit-tier pieces. His choice of the Daytona Ref 116576TBR signals not a newcomer's impulse buy but the considered selection of someone who understands precisely where this reference sits within the Rolex hierarchy.
At an official retail price of $167,000, the Rolex Cosmograph Daytona Platinum Ref 116576TBR is not a watch that regularly appears on grey-market exchanges at dramatic premiums — its primary market is authorised dealers and UHNWI clients. When examples do surface privately, pricing holds close to or slightly above retail, reflecting the self-selecting nature of its ownership pool.