Meet the endeavor chrono, a bold take on nautical-inspired style. This timepiece is powered by light—any light—with citizen's proprietary eco-drive technology and never needs a battery. Blue dial with chrono sub-dials and date display 43. 0mm polished rose gold-tone ion-plated stainless steel case rotating bezel sapphire crystal eco-drive⮠technology powered by light blue polyurethane strap; buckle clasp water-resistant to 100 meters