Automatic Movement Handcrafted Bezel design Japanese Movement Hardlex Glass Case Diameter 47mm Band width 24mm Band Length 120mm -205mm Big Kahuna A watch with a water resistance of 30 meters (ie 3ATM) is waterproof in daily life and can be used for daily grooming or being splashed by rain, that is, water splashes on the surface of the watch without causing any water pressure on the watch.