The Promaster Aqualand Diver is fully equipped with all the features you?d expect from an ISO-compliant Citizen diving watch. Features include water resistant to 200 metres, one-way rotating bezel, anti-magnetic, anti-shock case construction, screw-back case and screw-down crown, depth display to 70 metres, rapid ascent alarm, water sensor, auto start dive mode, power reserve indicator and a maximum depth display. Featuring our Eco-Drive technology ? powered by light, any light. Never needs a battery.