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Jackie Chan wearing Richard Mille

Richard Mille RM055 Jackie Chan Tourbillon

Demi Lovato wearing Rolex

36mm Rolex Day-Date in 18k yellow gold with a champagne diamond dial and a smooth bezel

Qais Al Khonji wearing Rolex

40mm Rolex Submariner Oyster Perpetual with a black dial in stainless steel

Dr Moeldoko wearing Richard Mille

Richard Mille RM 011 Felipe Massa Flyback "Black Kite," a limited edition of 30 pieces made especially for the Americas

Cristiano Ronaldo wearing Hublot

44mm Hublot Big Bang, cased in 18k rose gold featuring a black dial and a diamond set bezel

Ryan Gosling wearing Rolex

34mm Rolex Air-King "Super Precision" in stainless steel and a smooth bezel

Zayed Al Nahyan wearing Patek Philippe

33mm 18k white solid gold Patek Philippe Calatrava reference 3618 with a sunburst blue dial

Huang Zitao wearing Richard Mille

50mm Richard Mille RM057 Jackie Chan "Blue Dragon Tourbillon" in 18k white gold with baguette diamonds and baguette sapphires on the bezel and dial

Jason Derulo wearing Audemars Piguet

41mm Audemars Piguet Royal Oak in stainless steel, fully after-set with honeycomb and pavé diamonds

Dmitry Portnyagin wearing Audemars Piguet

42mm Audemars Piguet Royal Oak Offshore Chronograph in 18k pink gold

Claudio Marchisio wearing Gerald Charles

12 pieces limited Gerald Charles Maestro 99 Tourbillon in palladium

Sylvester Stallone wearing Rolex

Black dial 40mm Rolex GMT-Master II in 18k white gold with a diamond and black sapphire-set bezel