Crown Shape 918x - Waterproof, for Tube 1.80

The crown in shape 918x is a robust, waterproof design for watches with a tube size of 1.80 mm. It is designed for tube pipes and provides a reliable seal against moisture and dust. The precise fit between the crown and the tube creates a secure seal that is ideal for both everyday wear and servicing.

Ideal for repairs, spare parts and use in waterproof standard and sports watches.