Did you ever come across the iconic design of a 911 / 993 in its rare "Triple Blue" combination? We did, and we measure just how risky, and rewarding it can be to combine three different shades of the same color…. #serica #sericawatches #serica5303 #watchfam #swissmade #watchmaking #cosc #horology #antimagneticwatch #watchcollector #divewatch