This powerful watch allies all the high functionality of the Spring Drive Chronograph Caliber 9R86 with a uniquely ‘go-anywhere’and a new combination of . The result is a timepiece of rare refinement. The case is stainless steel, the bezel is in tone and catches the eye immediately with its dodecahedron shape, and the buttons are made of 18k yellow . Thanks to this combination of , it is both strikingly and highly durable. Furthermore, this may well be the ’s most accurate spring-driven chronograph, with a precision of ±15 seconds a month, or ±1 second a day.