This sale is for an Epsa Optel Dynamic Scattering ( DSM ) LCD Digital Table Desk Clock . Circa 1976 . 

A real classic and iconic directors desk clock . Circa 1972 . This is an amazing and very rare clock only affordable to the wealthiest jetsetters of business in the early 70s . It is a historically important item that would sit well in any technology museum . In full working order , holding time and comes with original box . 

American company Optel developed this in conjunction with Swiss watch manufacturers to make the very first digital display . The Dynamic Scattering display was only marketed for 2 years before field effect LCD display was developed and still used today . 

In great condition and all original . Features smoky clear plastic base and a blue crackle paint finish to the clock itself . Batteries are easy to get and nothing special , the setting tool is present . Clear display with no missing segments and absolutely fully working .

This clock is the holy grail and seriously collectible for technology , clock and watch enthusiasts . These are getting harder to get in nice condition and going up in value .

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Some info and a link for more info from the internet ....

" One of the first (if not the first into production) dynamic scatter LCD from the watch pioneers Optel. Dynamic scatter LCD (also known as DSM) was a very short lived technology (not without it's faults) and was replaced by the much more common field effect LCD "

https://watchismo.blogspot.com/2007/06/watchismo-times_26.html

https://doensen.home.xs4all.nl/l1.html