As you know, last month, Taylor Swift ’s engagement photos set off a frenzy online. Now that the dust has settled on the ninth most-liked Instagram post of all time, one detail still begs for attention: the Cartier Demoiselle in yellow gold with a diamond-set bezel on her wrist. Introduced in 1996 and quietly discontinued in the 2000s, the Demoiselle never managed to achieve the status of a Cartier heavy-hitter. Unlike the Panthère – crowned the It-girl watch of the 2020s – or the Tank Française, with its royal pedigree, the Demoiselle remained overlooked. With a single photo, though, Swift vaulted it from obscurity into obsession.

In doing so, she joined a rare lineage of cultural figures whose timepieces have become inseparable from their names. Paul Newman’s Daytona went from a s

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