The case built to withstand high water pressure and the screw-lock case back with tight seal ensure compliance with ISO standards for diving watches, delivering reliable performance in demanding underwater situations.

The case is offset to avoid restricting wrist movement during underwater use. This functional design, built for the practical demands of a diving watch, remains a defining feature of all FROGMAN watches.

Measures dive time and surface intervals, and records diving logs — essential for professionals operating in harsh conditions. Also features a tide graph to help identify optimal timing for diving based on tidal conditions.