Citizen’s simple yet revolutionary Eco-Drive technology harnesses the power of light, whether natural or artificial, and converts it into energy, storing the surplus in a power cell. Designed to charge from any form of light source, from sunlight to desk lamps, you can go about your daily life and be confident that your Eco-Drive won’t stop. This Citizen Corso mens watch features a gold PVD bracelet and 40mm round case, and a sleek champagne dial with date window. Ref: BM7332-53P Product Information Brand: Citizen Eco-Drive Caliber number E111 Case Material: Gold PVD Case Size: 40mm Type of Strap: Gold PVD Bracelet Glass Material: Sapphire Crystal Dial: Champagne Water Resistant: 100m Gender: Mens