Roskopf Watch

A replica inspired by the original Roskopf watch, with a diameter of 144 mm it is almost portable

runs for 6 hours at 9000 BPM

Swiss Lever Escapement

A giant simplyfied spring powered watch movement in an easy to print format

Crown has functional rewind and time setting functions

300 x 250 x 120 mm, power reserve about 10 hours, 5400 BPM

It can be made as a wall clock and be weight driven