Nixon Unisex The Sentry Chrono X Sport Lux Collection Imported 6-hand chronograph, 24-hour sub dial, printed seconds track and date window at 4 o'clock A timeless 42 mm design with the modern Nixon twist of faceted applied hour indices Quartz Movement Case Diameter: 42mm Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving