The Tapisserie dial of the Royal Oak simply would not exist without a special machine, called the «guilloché copying machine». The Tapisserie technique is a combination of three traditional skills: engraving, guilloché work and pantography, to be mastered by seasoned artisan.

Engraving, alongside sculpture and painting which an artisan patiently carves or sculpts the material using tools. It continues to this day, notably at Audemars Piguet on openworked movements, personalised oscillating weights and dials.

The guilloché technique is a centuries-old guilloché technique and is notably applied to pocket watch cases.

The pantography, which is an instrument for copying drawings mechanically by means of using a pattern (also called a matrix or model). The Musée International d’Horlogerie in La Chaux-de-Fonds has curated some magnificent examples of dials with pantograph script so tiny to be barely visible to the naked eye.