Grand Feu Enamel

Grand feu names a process, not a shade of white. Finely prepared enamel is applied to a metal support and vitrified by heat. The resulting glassy surface can be opaque or translucent, plain or richly coloured. A glossy white dial alone is not evidence that this process was used.

What the kiln changes

Specialist dial maker Donzé Cadrans describes mineral-based enamel coloured with metallic oxides and fired above 800 °C. Ulysse Nardin describes repeated applications and firing cycles around that temperature. The recipe and technique matter, so a single narrow temperature range should not be treated as a universal definition. Donzé Cadrans on enamel, Ulysse Nardin's enamelling techniques.

Durability is not invulnerability. anOrdain documents contamination and cracking during firing; a successful dial is a carefully produced object, not a promise that glass can never fail. Claims that every old enamel dial looks exactly as it did when new go too far. anOrdain's process account.

Why choose the look?

A plain enamel dial gives typography and hand shape room to lead. Try dark Breguet or leaf hands on white before adding more decoration. Translucent enamel can also sit over patterned metal; a fumé enamel dial shows why surface, colour and process are separate ideas.

In the atelier

The enamel option approximates a glossy surface with subtle irregularity. It does not reproduce glass layers, kiln chemistry, a handcraft certificate or a manufacturer's colour recipe. Comparing it with Lacquer, gloss is a comparison of rendered appearances—not proof that the two materials are interchangeable in a real watch.