Ulysse Nardin Marine Chronograph Manufacture 43mm Watch, round stainless steel case (43mm diameter, 12mm thickness) with transparent caseback, semi-satinated stainless steel bracelet with hidden folding clasp, blue dial with silver luminous hands and applied silver Arabic numerals, chronograph functions (chronograph seconds, 30 minute counter, 12 hour counter), date calendar, in-house Caliber UN-150 self-winding certified chronometer movement with silicium escapement and 48 hours of power reserve, scratch-resistant sapphire crystal, water-resistant to 100 meters.The Ulysse Nardin Marine Chronograph Manufacture watch is powered by the UN-150 Caliber movement, which is conceived and executed entirely in-house. In addition, the Chronograph Manufacture also utilizes Ulysse Nardin’s new DiamonSil escapement.