b'M60C AQUALION The new Vertex M60C, designed by Vertex in Britain and built to the highest standards. Meeting the Swiss ISO6426 standard and with each movement being tested by Contrle Of ciel Suisse des Chronomtres. Water resistant to 600 meters, the non-re ective DLC case earns the watch its designation C for covert.16VERTEXWATCHES.COM #PURITYOFPURPOSE'