Heinrich Perrot, Calw, Germany, 1952

Single train, cast iron plate and spacer frame. Graham deadbeat escapement with adjustable pallets. Harrison  (spring) maintaining power. Movement is equipped with a one minute planetary gear, gravity train remontoire. 8"w x 19"h x 19"d.

An interesting example of planetary gearing used to drive a remontoire. Mr. Perrot was also a designer of drafting instruments and was granted a US Patent #1,429,625, dated September 19, 1922 for a precision compass.