Eco Drive Titanium 〈iPhone〉

: Excess energy is stored in a rechargeable lithium-ion power cell, allowing the watch to run for at least six months in total darkness on a full charge.

This proprietary technology eliminates the need for battery replacements by using light as a constant power source. ECO DRIVE TITANIUM

: Since its invention in 1976, Eco-Drive has saved over 100 million batteries from entering landfills. 2. Super Titanium™ Construction : Excess energy is stored in a rechargeable

Citizen uses a proprietary material called , which improves upon standard titanium. Citizen Eco-Drive Titanium Watch Review - The Duane Storey ECO DRIVE TITANIUM