Zaratsu polishingZaratsu Polishing Zaratsu polishing is a type of polishing technique used in watchmaking, specifically for the polishing of steel components, such as the case, lugs, and bracelet. It is a process that uses a spinning circular disk with an abrasive surface. The craftsperson, holding the watch part, applies a certain level of pressure and uses a specific angle to ultimately achieve a mirror-like finish. [Learn More] is a type of polishing technique used in watchmaking, specifically for the polishing of steel components, such as the case, lugs, and bracelet. It is a process that uses a spinning circular disk with an abrasive surface. The craftsperson, holding the watch part, applies a certain level of pressure and uses a specific angle to ultimately achieve a mirror-like finish.