Techniques Horlogeres Appliquees S.A., Sainte-Croix

European Watch Clock and Jewellery Fair 1990 BF 214
Three-wheel mystery clock, mounted on a block of rock crystal. It will run for three months before it needs rewinding. It features a high-precision device whose mechanism is hidden in the base. Transmission to the movement is invisible. Gold, diamond and gemstone decor. (TECHNIQUES HORLOGERES APPLIQUEES S.A., Sainte-Croix)