Ulysse Nardin Since the spark of international trade in the late 19th century, Ulysse Nardin has been crafting marine chronometers, keeping captains and their valued cargo precisely on course. Advanced since its first introduction, the UN-118 caliber is powering the artfully designed Marine Chronometer Manufacture Only Watch. Combining Art and Precision, the Only Watch Marine Chronometer Manufacture of Ulysse Nardin features a 43mm, 18 ct rose gold case engraved 1/1 on the side plate and is highlighted by a handcrafted Grand Feu enamel dial. It houses the UN-118 manufacture?s caliber with an anchor escapement in DiamonSil and the Ulysse Nardin's own oscillator and its patented hairspring. From the art of enamelling to the precision of engineering and technology, Ulysse Nardin reveals that art and innovation go hand in hand in leading the company in the most independent of ways.