Presented in a 43 mm platinum case, with a blue dial and caliber UN-32 inside, it is the only perpetual calendar to allow forward and backwards adjustment over one single crown, according to Ulysse Nardin. The automatic “manufacture” movement is COSC certified, has 34 jewels, a 48-hour power reserve, and is visible through a sapphire crystal caseback.
This exclusive boutique edition is limited to 250 pieces. It is 30 meters water-resistant and comes with a leather strap with folding buckle. (Ref. 329-10/93-BQ)