One Minute Tourbillon, special spring detent escapement, movement plates made of acryl, dial and case as well, 17 jewels, fusee and chain, power reserve to 30 hours, with up and down, with a minute wheel cock, Glashuetter gold screwed compensation balance, blued balance spring with a terminal curve by Gustav Gerstenberger diagram, golden escape wheel spring detent stressed by tensile force.

During working I made photos