Movement: Digital Case Material: Zinc alloy Band Material: Stainless steel Size Diameter: 37mm Band Length: 230mm Case Thickness: 10.5mm Weight: 105.7g Function Waterproof: 50Meter Feature: 2time、week、date、dataLow power prompt、pedometer、Calorie、 mileageDistance、stop watch、Countdown、30m waterproofEL light、Metronome、12/24 hour clockTarget progresso