
The TAG Heuer Calibre TH20-02 is an automatic GMT chronograph movement built on the TH20 platform, featuring a column wheel and vertical clutch. It provides an 80-hour power reserve at 4 Hz and includes an independently adjustable 24-hour hand for dual time zones. The movement is wound by a shield-shaped bidirectional rotor and displays hours, minutes, seconds, date, chronograph, and GMT.