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The telhart watch has circuits made from American hardwood, which are tailor-cut (1mm thin) before being welded with copper wiring to form each circuit board. Made in San Francisco.
Telhart
The first wooden circuit board in a watch
The telhart watch has circuits made from American hardwood, which are tailor-cut (1mm thin) before being welded with copper wiring to form each circuit board. Made in San Francisco.