
The in-house TAG Heuer Calibre TH20-11 is an automatic chronograph movement beating at 4Hz (28,800 vph) with an 80-hour power reserve. This bi-compax movement tracks hours, minutes, seconds, and 1/4-second chronograph intervals using a 30-minute counter. Designed for a left-crown layout, this chronometer-certified calibre utilizes an integrated column wheel chronograph system.