The heart and soul of our timepieces
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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 17, Swiss Made. Automatic calibre.
Diameter: 28.6 mm (12 ½''') — 37 rubies. Rapid date correction.
Balance frequency: 28,800 vibrations per hour (4 Hz).
Power reserve: about 42 hours.
Hours — minutes — small seconds at 3 o'clock.
2 or 3 chronograph counters: minutes — hours. Chronograph central seconds.
Oscillating mass: "Côtes de Genève", engraved "TAG Heuer — Calibre 17 — Swiss Made".