Citizen Men's BJ7000-52E Eco-Drive Nighthawk Stainless Steel Watch

Ecologically friendly, light powered Eco-Drive Caliber B877 Japanese-quartz movement
charges in natural sunlight or indoor light
Max power reserve: 180 days
low charge warning: 3 days
Quick start ability
charge time from stop state to max charge: Incandescent Light - 53 hrs, Outdoors, Cloudy (10,000 Lux) - 17 hrs, Outdoors, Sunny (100,000 Lux) - 6 hrs
Durable, hardened non-reflective mineral crystal
performs flight calculations with Pilot's slide rule inner bezel ring operated by crown at 8 o'clock
Large luminous hands and hour and minute markers for easy readability
dual-time function
date feature at three o'clock
Water-resistant to 660 feet (200 M)