Hanhart 417
Rolex Submariner 5512
Rolex Explorer II (ref. 1655 aka "Steve McQueen")
Cartier Tank Cintrée
Patek Philippe pocket watch from "The Thomas Crown Affair"
Jaeger-LeCoultre Memovox
Heuer Monaco ref. 1133
Sources: Steve McQueen's Watch Collection (and a record-setting Tag Heuer...) ; The Watches of Steve McQueen from Movies and Beyond