Rip Curl Men's 'Covert' Quartz Plastic and Silicone Sport Watch, Color Black (Model: A2874-BLK) Stylish, lightweight, and water resistant Individually water resistance tested for durability in a marine environment Quartz Movement Case Diameter: 43mm Water Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not Diving