An excellent watch for people who do sports or who travel. As it can resist up to 10 atmospheres and 50 meters (about 330 feet) water resistance. You can wear this watch during rain, windsurfing, swimming and other instances. Specification of CASIO MULTI-FUNCTION DIAL WATCH- MTP-1374D-1AVDF: Shape: Round Display: Analogue Case diameter: 35 mm Case Thickness: 10 mm Case Material: