Rolex Watches Collection : The characteristically shaped middle case of the Rolex Oyster Perpetual is crafted from a solid block of particularly corrosion-resistant 904L steel, sealed with a screw-down case back and the Twinlock winding crown system to ensure a fully waterproof case.

Rolex Watches Collection :

Illustration

Description

The characteristically shaped middle case of the Rolex Oyster Perpetual is crafted from a solid block of particularly corrosion-resistant 904L steel, sealed with a screw-down case back and the Twinlock winding crown system to ensure a fully waterproof case.