Model family · Rolex
GMT-Master
17 references81 variants1955–2005
Rolex’s dual-time pilot’s watch, developed with Pan Am and launched with the ref. 6542 in the mid-1950s. A 24-hour hand and 24-hour bezel show a second zone. The line ran in parallel with the GMT-Master II until the 16700 ended in 1999.
Family timeline
All recorded years
19502010
17 references in production order. Overlapping bars show overlapping recorded dates.
19501965198019952010
Dates are those recorded in the catalog. Faint bars mark approximate dates; a dashed point marks a single known endpoint. Undated references remain visible. Chronological order does not establish a predecessor or successor relationship.