CALIBRE 1887

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.

DESCRIPTION
TAG Heuer Calibre 1887, Swiss Made. Automatic calibre. Diameter: 29.3 mm (13''') — 39 rubies. Rapid date correction.

PERFORMANCE
Balance frequency: 28.800 vibrations per hour (4 Hz).
Power reserve: about 50 hours, about 40 hours when the chronograph is engaging.

DISPLAY
Hours — minutes — small seconds at 9. Chronograph minutes at 12 and chronograph hours at 6. Date at 6.

DECORATION
Oscillating mass: 'Côtes de Genève' engraved 'TAG Heuer — Calibre 1887 Swiss Made'.