This collection is engineered for extreme environments. It features a robust 49 mm stainless steel case with a professional divers bezel, offering water resistance up to 20 bar (200 m) and ensuring durability under the harshest conditions.The case is also equipped with an automatic helium release valve, a spring-loaded one-way system that activates when critical pressure differentials occur making the watch an ideal companion for professional deep-sea divers operating in mixed-gas environments.