Model: 2208Movement model: CAL.1HAOEPower reserve: 72 (hours)Vibration frequency: 28800 (times per hour)Winding method: Automatic windingCase diameter: 42*42mmCase thickness: 13mmStrap width: 22mmCase material: Color Crystal Case strap material: Colorful rubber strapWaterproof depth: 30M life waterproofMirror: Transparent Crystal Back Cover : Transparent Crystal