The Men's Citizen BM8476-23EE model with a Black Stainless Steel case, water resistant to 100m (10 ATM), with matching Brown Pin buckle band. The Citizen watch has a Mineralglass. The Quartz (Solar Powered) movement is inside the 42mm diameter case and 11mm, this is comfortably sized for all wrists without looking massive, and feels comfortable and solid on the wrist. Citizen, a pioneer in watchmaking and innovative technology since 1918, promotes excellence and creativity with a deep-rooted respect for craftsmanship. An Eco-Drive watches recharges itself in any kind of light, to run forever. Watches with Eco-Drive do not require any battery replacement, charging or winding to maintain constant operation.