With the Eco-Drive technology in the Citizen Promaster MX, any light source can power your watch and the moments you’ll want to remember forever. #CitizenWatch #CitizenPromaster #weekendroadtrip #PurposefulPower #PurposefulPassion #GoStronger #EcoDrive #EveryCitizen . . . Model #: BL5578-51E MSRP: $625