Mens Zenith Chronomaster XXT Tourbillion Watch, 18kt rose gold case (45mm diameter) with see-through sapphire crystal caseback, crocodile leather strap with 18kt rose gold triple-folding buckle, silver dial with rose gold hands and applied rose gold hour indicies, perpetual calendar (date, day, month, year) functions and moonphase indicator, El Primero #4003 self-winding mechanical movement, scratch-resistant sapphire crystal, water-resistant to 30 meters.