Apart from certain models of high jewellery and historical watch models, all Piaget watches are water-resistant up to 30 meters. The water-resistance of a watch protects its interior from any risk of deterioration due to infiltration of dust or immersion in water. With respect to water-resistant watches, Piaget guarantees the water-resistance for a two-year period as of the date of purchase, subject to guarantee exclusions. Those models of high jewellery and historical watches that are not water-resistant are nonetheless resistant to running water and dust.