gee oh SHAY] lit., engine-turned. Machine-engraved decoration on metal, over which a translucent enamel is often applied (called guilloché enamel)
A style of enameling in which a continuous, engraved decoration is first created by an engine-turned lathe, and then covered with translucent enamel.
A style of intricate engraving that is popular on watch dials, usually very thin lines interwoven to create a surface texture.
A type of Dial. As opposed to a flat colour, a Guilloche dial is textured with engravings.
A style of enameling in which a continuous decoration is engraved by an engine-turned lathe and then covered with translucent enamel so that the engraving can be seen through the enamel.
Decoration of dials, rotors or case parts consisting of patterns made by hand or engine-turned. By the thin pattern of the resulting engravings - consisting of crossing or interlaced lines - it is possible to realize even complex drawings. Dials and rotors decorated in this way are generally in gold or in solid silver.
Translucent enameling over an engraved design on the underlying metal.
Engraving with a repetitive pattern (lines, waves, circles, etc)