Model: 2202Movement model: CAL.1HC50Power reserve: 72 (hours)Vibration frequency: 28800 (times per hour)Drive: single clockworkWinding method: Automatic windingCase diameter: 44*54mmCase thickness: 17mmStrap width: 20-26mmCase material: Transparent Crystal Case strap material: Colorful rubber strapWaterproof depth: 50M life waterproofMirror: Transparent Crystal Back Cover : Transparent Crystal