Citizen Eco-Drive Promaster Professional Diver is used for mixed gas diving with its 6 mm non-reflective curved crystal, ratcheted elapsed-time bezel, screw-back case and screw-down crown, and reinforced urethane band and extender, with a carrying case for the wetsuit strap extension. Crafted in stainless steel with luminous accents. Water resistant to 300 meters.
