Grand Feu

Grand feu enamel Roman dial on this antique Waltham pocket watch in a 14K gold double hunter case.
Photo courtesy of Scott Papper, GIA GG, AJP, CM (NAJA), Global Gemology & Appraisals
Grand feu translates to great fire.

Grand feu enameling is an expensive process that involves re-firing of enamel several times, to produce an enameled piece of multiple colors.

High end pocket watches often had grand feu enamel dials in white, black, red, and other colors.