Modified
watch case with fine art movement (on
)
due to the very small, so even in the bulk of the machine to produce the Swiss, the modification of these components have to be done by hand or by hand. To ensure uniform, workers often use machines. In case of circular pattern (Perlé or perlage), the grinding head is driven by the motor, and the workers need to do is to move down to grind each grain.
Modified
watch case with fine art movement (on
)
is less than one hundred digits of the manual process
is currently on the watch can best embody the craft is guilloche (guilloché). This process is almost lost, a dozen years ago in Germany, France and Switzerland to be restored. Guilloche, also known as rose engraving machine, this process with the aid of mechanical rotation, in the specification of pre designed pattern plate of carving a variety of decorative patterns.