The Eco-Drive PHOTON has arrived. Two distinct colorways. One historic watch. Celebrating 50 years of Eco-Drive innovation, the limited-edition PHOTON is powered by any light*. Inspired by the famed double-slit experiment, its slitted metal dial reveals shifting structural colors as light passes through—transforming advanced technology into a dynamic expression of design. #CitizenEcoDrive50 #CitizenWatch CITIZEN® ECO-DRIVE® SUPER TITANIUM™ *Powering varies by light intensity.