BM8548-83X
Men's watch Citizen Eco Drive collection Crystron Prototype ref. BM8540-83X Limited Edition. 38 mm hexagonal black PVD steel case. Latest generation eco-drive movement (with infinite light charge). Green dial with radially arranged solar cells (as in the original prototype) in view. Black PVD steel bracelet in mesh (Milanese mesh). High thickness mineral glass. Waterproof up to 5 bar.
In 1974 Citizen changed the history of watchmaking forever by presenting the Crystron Prototype, the prototype of a solar-powered watch that started the development of clean and renewable energy technologies. Citizen reserves a limited edition SPECIAL EDITION (750 pieces) for the Italian market of the 1974 Crystron Prototype that was never marketed.
The movement made in Japan Citizen Eco-Drive it stores energy from any light source, even artificial. A short exposure to light is already enough to store a minimum power reserve of 6 months, which goes up to 7 years depending on Citizen watch models.
Original box and international guarantee valid for 2 years.