Citizen uses a proprietary material called , which improves upon standard titanium. Citizen Eco-Drive Titanium Watch Review - The Duane Storey
: A solar cell hidden behind the watch dial converts any light—natural sunlight or artificial indoor light—into electrical energy. ECO DRIVE TITANIUM
The line from Citizen combines two of the brand’s most notable technical achievements: light-powered movement and high-durability metal construction. This combination is designed to create a "set it and forget it" timepiece that is nearly maintenance-free and highly resistant to daily wear. 1. Eco-Drive Technology Citizen uses a proprietary material called , which
: Since its invention in 1976, Eco-Drive has saved over 100 million batteries from entering landfills. 2. Super Titanium™ Construction This combination is designed to create a "set
This proprietary technology eliminates the need for battery replacements by using light as a constant power source.
: 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.