Keep the time, above and below sea level: Along with its technical capabilities, the Citizen Promaster Aqualand is sustainably powered by any light with Citizen’s proprietary Eco-Drive technology, so it never needs a battery. #MyCitizen #CitizenWatch #Promaster #CitizenAqualand #GoDeeper #EcoDrive #EveryCitizen #chronographwatch . . . Model #: BJ2167-03E MSRP: $795