Add playful sophistication to an everyday look with the fio. Designed with stylish sustainability in mind, this timepiece is powered by light—any light—with citizen's proprietary eco-drive technology and never needs a battery. Gold-tone dial 18. 4mm polished gold-tone ion-plated stainless steel case faceted mineral crystal gold-tone stainless steel bracelet; sliding clasp battery rechargeable by light water-resistant to 30 meters we are an authorized citizen dealer.