#watch dial finishing

Grand feu enamel is glass powder fused onto a dial blank in a kiln at 800 to 900 degrees Celsius, built up in layers over multiple firings. Any one of those firings can crack the dial. Here is why that risk is exactly what makes the finish worth paying for.

Guilloche is the engine-turned pattern cut into a dial by hand on a rose engine lathe, not stamped. Here is how it is actually made, which patterns to know, and which brands still cut it by hand.