Citizen Gents Eco-Drive Day/Date White Dial Strap Watch Introducing the Citizen Men's Eco-Drive watch - perfect for those who appreciate both style and comfort. The brown strap fits close to the wrist, while the white dial provides a timeless look. This three hand model is water resistant to 100 metres, making it ideal for daily use. And with Eco-Drive technology - powered by any light source - you'll never need to worry about a battery.