Eco-drive is fueled by light, any light, so it never needs a battery.
Perpetual calendar
Date
Dual-coated anti-reflective sapphire glass crystal. Luminous hands
Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving

Technical Details

Product Details

Package Dimensions
Width : 5.2 inch
Height : 4.9 inch
Length : 6.5 inch

Shipping Weight: 15.2 ounce (View shipping rates and policies)

ASIN : B0091N5BJ2