The new Eco-Drive 365 encapsulates the 50-year journey from quartz to Eco-Drive in Citizen watches. The silver-tone timepiece’s case measures 42.5mm, anti-reflective sapphire crystal, dauphine-style hands indicate the time. Inside, the new light-powered, innovative Eco-Drive movement Caliber E365 is at work with an accuracy of ±15 seconds per month, and with the movement requiring exposure to adequate light to then run for 365 days on a full charge. WR to 100 meters.