Imported Runner Series Athleisure Style Design, 60 LAP Memory, 100 M Water Resistant 5 year battery LED Light 1/100s Stopwatch 3 Alarms Count Down Timer Full Auto Calendar Dual Time Black Resin Band White Case Blue Accents Quartz Movement Case Diameter: 43.6mm Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving "Necessity is not the mother of invention, invention is the mother of necessity." These are the words of one of Casio's founders. The people who created Casio were determined to 'invent necessity'- to create products that met latent needs with groundbreaking capabilities no one had ever seen before. Ever since, Casio has been doing just that, bringing new discovery and delight to people around the world. This is Casio's way of building an even more prosperous, richly rewarding world.