The new Limited Edition Eco-Drive 365 encapsulates the 50-yr. journey from quartz to Eco-Drive.The polished silver-tone case measures 42.5mm, lab-grown rubies and gold-tone accents and brown leather strap. 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. Limited to 1,200 timepieces worldwide.