Casio Quartz Watch pairs reliable quartz movement with a 42.8 mm stainless-steel case and 20 Bar water resistance, built for everyday wear and immersion. Key attributes: Black | Nero E Acciaio | Acciaio | 20 Bar water resistance (immersion) | Mineral glass | Quartz movement | Resin strap | Black dial | Dimensions & fit: Case diameter: 42.8 mm | Composition & care: Case: Acciaio | Strap: Resina | Glass: Vetro minerale | Movement: Quarzo | Wipe clean with a soft cloth. Avoid contact with strong chemicals and strong impacts.