Hands of the watch are also fashioned of blue tinted sapphire, also called colored spinel. They are extremely delicate. The manufacturing and the polishing of such small, thin and sharp sapphire components is a real challenge. Drilling of a hole in each of them to place the metallic tube that will be fixed on the hours and minutes pinion is a very delicate process. 9 out of 10 hands are destroyed in the process – they must be flawless to maintain their strength.
