Special Anniversary Edition Big Date Enamel Big Pilot. </br> 150 units, Stainless steel case, Diameter 46.2 mm; Height 15.2 mm </br> Water resistance 6 bar, Blue Enamel Dial (12 layers of lacquer). </br> 59235 in-house calibre; 192 h power reserve with indicator on back. </br> Black alligator strap 22 mm with brushed steel deployment buckle </br> 150 units made for IWC's 150th year anniversary in blue and white. </br> Each unit has edition number and commemorative engraving on the case back. </br> Special enamel lacquered dial. It has a 12 layer lacquer coating. </br> Featuring a Big Date indication for the first time. </br> Power reserve indicator moved to the case back. </br> Large presentation box with Special Edition Plaque. </br> Complete with manuals, international warranty and warranty card. </br> Very special number.