by Miki Eleta

Technical specifications

  • Retrograde minute
  • Jumping hour
  • Day of the week
  • Phase of the moon
  • World time indication
  • Gravity tourbillon, chronometer escapement
  • Outer diameter: 25 cm
  • Height: 20 cm
  • Weight: 5 kg
  • Materials: gildened brass, bronze, chrome steel, glass, lapis lazuli, ruby
  • Glass artist: Guido Stadelmann, Zürich

Mode of operation


The retrograde minute indicator is moved by a snail. The dial jumps 24 times per hour. A pin on the hour dial moves the weekday indication 7 times a day.
The moon phase gear wheel with 135 teeth carries the moon hemisphere. It is moved once a day by the weekday gear wheel with 16 teeth to indicate he position of the moon in a three- dimensional way.

World time indication: a hemispherical cover indicates the night on the glass globe. The globe moves in jumps 24 times per hour. The dials underneath show the actual time in 12 cities around the globe.

Gravity tourbillon: as far as I know, this kind of tourbillon is presented for the first time. The complete driving mechanics lifts the remontoire with the gravity tourbillon placed at its end. The tourbillon is lifted and falls back freely providing constant force to the escapement.

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Gerhard M.

I am founder of Archides Uhren GmbH, the only specialist Clock Shop in Austria. We love to work with small, highly individualized companies as the member of the AHCI are. We continuous have products of Matthias Naeschke, Sinclair Harding, Philippe Wurtz, Peter Wibmer, Pita Barcelona and Konstantin Chaykin in our store.

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