Diver ChronographSophisticated brushed 18kt rose gold case and bezel with a unique inverted concave design and raised diving scale. The blue dial is finely grained and features luminous hands and index hour markers. A date window is placed at 6 o'clock, accompanied by a small seconds sub dial at 9 o'clock. The chronograph function includes a large central seconds counter, a 30 minute counter at 3 o'clock, and a 12 hour counter at 6 o'clock. The powerful Ulysse Nardin