|Diameter:||43.0 mm (19 ligne)|
|Complications:||6-Column Chronograph, Chronograph, Column Wheel Chronograph, Flyback Chronograph, Monopusher Chronograph|
|Production: 1910 –|
Valjoux Cal. 3 was a pocket watch column wheel chronograph movement. Introduced around 1910, it was produced through at least the 1920s. It featured a six-column wheel to control the chronograph function. The chronograph used a central seconds hand with flyback as well as a 30 minute counter.Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.