Material:Stainless steelBezel:TachymeterBack:ClosedShape:RoundDiameter:42.00 mmLug Width:22.00 mmW/R:50.00 m Movement Hand-wound movement with hours, minutes and central seconds. Type:HandwoundBrand:ETACaliber:2801-2Display:AnalogDiameter:25.60 mmJewels:17Reserve:42 hFrequency:28800 bphTime:Hours, Minutes, Seconds