Titanium — Eco Drive

: A solar cell hidden behind the watch dial converts any light—natural sunlight or artificial indoor light—into electrical energy.

: Since its invention in 1976, Eco-Drive has saved over 100 million batteries from entering landfills. 2. Super Titanium™ Construction ECO DRIVE TITANIUM

This proprietary technology eliminates the need for battery replacements by using light as a constant power source. : A solar cell hidden behind the watch