All Tomorrow's Parties (1999)

William Gibson's Bridge trilogy finale. Colin Laney lives in a cardboard box, but he has the power to change the world: an experimental drug lets him see "nodal points" in the vast streams of data that make up the worldwide computer network. (Goodreads)

Watches

Jaeger-LeCoultre Mark 11: Gibson, a vintage military watch obsessive, puts the RAF-issue JLC Mark 11 on the assassin Konrad, who later gives it to the boy Silencio.

Source text: Exact wording has not yet been verified from an accessible copy; an edition-level passage is still needed.