CITIZEN Men's Watch BU3020-15E Of Collection Metropolitan

Citizen men's watch from the Metropolitan Of Collection collection, Eco Drive quartz movement with solar charge, Steel case, Leather strap, Water resistance up to 10 bar. Reference: BU3020-15E

What is Eco Drive technology?

One of Citizen's challenges: to develop a technology that would guarantee the constant functioning of the watch, anywhere in the world. In 1976, they invented the first light-powered analog quartz watch that operates using only light as a power source. This technology, now known as Eco-Drive, can generate energy from any light source - artificial light, natural light, and even dim light - to keep watches running without ever replacing the battery.

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