robespierre wrote:https://www.hodinkee.com/articles/zenith-defy-lab-oscillator-introducing
A new oscillator design for mechanical watches (after 400 years).
https://www.hodinkee.com/articles/zenith-defy-lab-oscillator-introducing
Read this link shared by robespierre, as this is far more interesting than my collection old fashioned mechanical movements.
It appears that some real progress has been made regarding mechanical movements!

