Citizen Men's Eco-Drive Signature Chronograph Watch with Date and Alarm, BL5500-07E Black ion-plated watch in stainless steel featuring orange contrasts and textured dial, bezel, and band Japanese quartz movement with analog display Eco-drive is fueled by light and does not require a battery Features protective anti-reflective sapphire crystal dial window, date window, chronograph subdials, screw-down bezel, luminous dial features, and deployment clasp with push-button closure Water-resistant to 300 feet (100 M): suitable for snorkeling, as well as swimming, but not diving