Worn by: Pierce Brosnan as Thomas Crown
Reference: Patek Philippe Ellipse
Brand: Patek Philippe
The Patek Philippe Ellipse underscores the sophisticated and refined tastes of this wealthy and suave art thief character.
Source: https://therake.com/us/stories/the-impact-of-watches-in-cinema
Worn by: Pierce Brosnan as Thomas Crown
Reference: Jaeger-LeCoultre Reverso
Brand: Jaeger-LeCoultre
The elegant Reverso Night & Day with its reversible Art Deco case perfectly suits the wealthy art thief's refined taste, though the branding was removed from the dial due to Brosnan's concurrent contract with Omega as James Bond.

Source: https://www.watch-id.com/sightings/jaeger-lecoultre-reverso-pierce-brosnan-thomas-crown-affair