Men's watch by Citizen. It features a battery mechanism, which relies on the electrical energy provided by the battery, resulting in accuracy and durability. It is suitable for free diving with equipment. The watch is water-resistant up to 20 atm/200 meters. 

The prices are not related to the diving depth but to the atmospheric pressure used during the water resistance test.

It has durability that makes it suitable for extreme environments and combines functionality with innovative technology