All TAG Heuer automatic movements are made in Switzerland and must meet extremely strict criteria for precision before they make it onto your wrist. Their high frequency ensures excellent mechanical precision. A number of TAG Heuer automatic movements are awarded an Official Swiss Chronometer Control (C.O.S.C.) Certificate, the ultimate recognition of precision and reliability.
TAG Heuer Calibre 7, Swiss Made. GMT automatic calibre.
Diameter: 26.20 mm (11 ½'') - 21 to 25 rubies depending on the execution. Rapid date correction.
Balance frequency: 28,800 vibrations per hour (4 Hz).
Power reserve: about 42 to 46 hours depending on the execution.
Hours — minutes — seconds, 24 hours hand GMT. Date window.
Oscillating mass: "Côtes de Genève", engraved "TAG Heuer — Calibre 7 — Swiss Made".