Rolex Original Werkzeug aquagraph They act as a base

They act as a base during the assembly process before the case back is fitted

Finding such a hand set in perfect condition with the "Pumpkin Patina" is extremely rare

The black dial for Rolex Cosmograph Daytona models in yellow gold (116508

With this one here that was not the case

Rolex Original Werkzeug aquagraph They act as a baseThis is a vacuum pump specially designed for vacuuming watch crystals in newer watch models. With this pump, the glasses can be precisely aligned in the punches, similar to the other smaller punches. The vacuum pump is particularly important for models such as the 116710 and 116619, where a narrow metal ring is pressed around the glass seal. This technique ensures that the metal ring sits firmly and exactly in the right place to guarantee optimum