Jaeger-LeCoultre Polaris Chronograph Watch, 42mm Gray Dial, Q902843JThe Polaris Chronograph features a superb signature dial in lacquered grey. From the lightest to the darkest, the gradation of multiple nuances is achieved thanks to a process that consists of applying almost 40 layers of varnish followed by colored and transparent lacquer to the dial before the final step: polishing. In its 42 mm steel case, the dial has three levels of finishing: an internal opaline bezel, a grained circle for the hours and indexes,