Worn by: Robert Pattinson as Eric Packer
Reference: Chanel J12
Brand: Chanel
The J12 Chromatic Classic Automatic 41mm (reference H2934) appears throughout the film in titanium ceramic—a proprietary material created by adding titanium to ceramic and polishing with diamond powder, achieving hardness close to sapphire with distinctive metallic luster. The watch's monochromatic silvery-gray finish complements Packer's singular wardrobe: a black Gucci Signoria suit, white fitted shirt, and slim black tie worn unchanged throughout his limousine odyssey across Manhattan. The J12's sport-luxury aesthetic—derived from Chanel's iconic diving watch design but executed in high-tech materials—suits a 28-year-old billionaire asset manager whose detached precision extends to both financial markets and personal relationships. The watch's scratch-resistant ceramic construction and automatic movement reflect a character obsessed with control and permanence, even as his carefully constructed world collapses during a single day's journey across the city.

Source: https://www.watch-id.com/sightings/chanel-j12-chromatic-classic-robert-pattinson-cosmopolis