This is a unique solution at this size and level of complication. In the three axis tourbillon movement, the 3rd (external) cage has a unique form which provides the possibility of using jewel bearings everywhere, instead of ball-bearings. The Primus wristwatch was presented at the Baselworld 2008 in Basel, Switzerland. The world's unique tri-axial tourbillon movement for wristwatch, with traditional jewel bearings only, was invented by the independent watchmaker Aaron Becsei, from Bexei Watches, in 2007. It was presented at Baselworld 2004 in Basel, Switzerland, in a set of three watches including a single-axis, a double-axis and a triple-axis tourbillon. In 2004, Thomas Prescher developed the first triple-axis tourbillon for the Thomas Prescher Haute Horlogerie with constant force in the carriage in a wristwatch. Triple-Axis-Tourbillon by Thomas Prescher The device incorporates a modified system after a design by Henri Jeanneret. Thereby even force is always supplied to the oscillation regulating system of the double-axis tourbillon. Prescher invented the constant-force mechanism to equalize the effects of a wound and unwound mainspring, friction, and gravitation. The whole tourbillon is powered by a special constant-force mechanism, called a remontoire. Shown at the Baselworld 20 in Basel, Switzerland.Ī characteristic of this tourbillon is that it turns around two axes, both of which rotate once per minute. In 2003, inspired by this invention, the young German watchmaker Thomas Prescher developed for the Thomas Prescher Haute Horlogerie the first flying double-axis tourbillon in a pocket watch and, in 2004, the first flying double-axis tourbillon with constant force in the carriage in a wristwatch. In 1980 Anthony Randall made a double-axis tourbillon in a carriage clock, which was located in the (now closed) Time Museum in Rockford, Illinois, US, and was included in their Catalogue of Chronometers. The first working example was later constructed by Richard Good in 1978.
Anthony Randall's double axis tourbillon as installed in a carriage clockĪnthony Randall invented the double-axis tourbillon in January 1977 and subsequently patented it.
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