A craftsman we know still possesses very old machines, enabling him to engrave «Clou de Paris»: very old decorations in the shape of tiny pyramids that aren't merely small squares.
Model:
CLOU DE PARIS

Materials:
ETA Swiss quartz,steel with 5 microns yellow gold plating / 5 microns palladium plating, sapphire crystal

Dimensions:
Diameter: 37 mm
Thickness: 6 mm
Weight: 40 g
Battery Ref: 364

Designer:
Atelier Line