The open design is very characteristic of “Niek Swelsen astronomical clocks”. The mechanism of the axis and wheels is clearly visible. Because the materials used are brass, steel and glass, the clocks fits easily in almost every modern or classical interior. These astronomical clockworks would also give a special ambiance to an office or company entrance. The beautiful relexing tick-tock sound gently draws attention to those present and invites to admire the clock close up. Interesting conversations about astronomy and mechanical clocks start spontaneously. Your guests will observe the clock with admiration and wonder.

If you are interested in astronomy and you would like to be informed about the current positions of the planets and the stars on the firmament of an astronomical clock, then please feel free to contact us.

Particularities of the astronomical clock:


The dial of the astrolabe is designed to the exact location of the clock based on longitude and latitude.

The dial and casing are made from perspex.

Optional: dial and casing, in glass instead of perspex, (fragile)

Wheels are made from brass, steel pinions, axis are mounted with bearings or brass hubs.

Dimensions clock; depending on the design, height 43 cm, width 38 cm, depth 45 cm.

Dimensions console; depending on the design, height 140 cm, width 42 cm, depth 47 cm.

Optional: portable stand with organic or rectangular shapes. Personal ideas can be taken in consideration.

Optional: mount for hanging on a wall

In case of a standstill (forgotten to wind up or been on holiday) the clock can easily be set to location and time, without adjusting each clock-hand separately.

The clocks are driven by weights pulled down by Earths gravity. Runtime 6 to 7 days.

Niek Swelsen Astronomische uurwerken