The Calibre 1887 is an automatic column-wheel chronograph .
50 hours (roughly 40 hours with the chronograph active) .
TAG Heuer Carrera Calibre 1887 CAR2A11.FC6313 Steel Grey 43mm
28,800 vibrations per hour (4Hz) for smooth hand motion .
Based on the architecture of the Seiko TC78/6S37, it was heavily reworked by TAG Heuer in Switzerland .
The Calibre 1887 is an automatic column-wheel chronograph .
50 hours (roughly 40 hours with the chronograph active) .
TAG Heuer Carrera Calibre 1887 CAR2A11.FC6313 Steel Grey 43mm
28,800 vibrations per hour (4Hz) for smooth hand motion .
Based on the architecture of the Seiko TC78/6S37, it was heavily reworked by TAG Heuer in Switzerland .
