Ulysse Nardin, Imagination Series, Model: 026-88, 18K rose gold material, 44.5mm diameter, ice blue dial, the upper bridge plate contains a set of gears, hairspring and Athena's unique bidirectional silicon crystal escapement to display minutes. The design is novel and bold, applying the tourbillon mechanism to the minute hand. No crown design, outer ring for time adjustment, bottom cover for winding, 7-day long power reserve, single watch.