It was an extravagance that I think I railroaded Irene into- but each time it bongs out the hour it makes me happy.I sort of assumed that would be my one and only foray into mechanical clock ownership- that was, until I started exploring e Bay looking for various oddities and knick-knacks to decorate my office.
First invented in 1928 by Swiss Jean-Leon Reutter and Jaeger Le Coultre.
For the past 50 years it has been the official gift of the Swiss Confederation. The case has an excellent shine and has been washed with soapy water.
Prices at auction sites are often reflective of the current market value of most any item.
The Calibre 528-6 movement is stamped with the serial number 503693.
This model has a very clear white Roman numeral chapter ring dial with dark-tipped dagger style hands.
Atmos clocks are known as perpetual motion clocks, as they require no winding.
Torsion-Clocks Search for 528 using the search tool and you'll find quite a few threads that discuss the 528 model.
You might have to weed through a few before you find the details that you're interested in.
But the clock thing has stuck with me throughout my life.
As a kid, one of the things I enjoyed about visiting “old people” was seeing their mantle or grandfather clocks: all these amazing precision devices, ticking and bonging out the passage of our lives.
An aneroid chamber mounted on the back of the movement contains a mixture of liquid and gas which expands and contracts with movements in temperature, and this motion winds the mainspring.