This Promaster Diver men's watch from Citizen is both fun and functional, meeting ISO compliance with a 44mm stainless steel case with a blue aluminum one-way rotating elapsed time bezel and matching blue dial, water-resistance to 200 meters, a day/date window and luminescent hands and markers. The watch is powered by an automatic movement and the two-tone stainless steel bracelet secures with a fold-over clasp.