Citizen Eco Drive Duo WR100; First watch in history with double movement winding system, kinetic and solar with automatic rotor; Eco-Drive Duo combines the solar-powered charging system with the kinetic one of the automatic movement. The fully charged Eco-Drive system allows an autonomy of about 5 months even in the dark or in absolute immobility. Watch in perfect working order, in very good condition, as shown in the photos; New accumulator, replaced a month ago; Limited edition, very few pieces produced worldwide; Visible solar and automatic kinetic movement; Watch made in Japan; Black dial with fluorescent hour markers; Measurements: Case excluding crown: 40 mm Case including crown: 43 mm Bracelet length: 16 cm + case 6 cm = total 22 cm.