DE GRISOGONO “FG ONE” JUMP HOUR GMT. RETROGRADE SECONDS AND MINUTES AND JUMP HOURS.This is a seemingly simple, yet highly complicated piece featuring jump hour display at 12’O clock, retrograde minute and second time zone at 6’O clock. The subdial on the bottom features a retrograde flyback second, and a day/night indicator. The watch case is blackened, but the lugs remain stainless steel, giving it an interesting contrast. The crown is tastefully hidden at 12’O clock, as to not to disturb the cleanlines of the slim and tall rectangular watch silhouette.This is a special piece designed by de Grisogono founder Fawaz Gruosi – hence the model name “FG”.The watch is beautifully constructed, designed, and finished. de Grisogono is a world’s premier jeweler. It is not surprising that their timepiece is made with the same standard as their exquisite fine jewelry pieces.Automatic mechanical movementsJump hourRetrograde minutesRetrograde flyback secondsSecond timezone GMTDay/night indicatorSapphire crystal side case, offering a lateral view of the movementCompletely black-rhodium finished movement for a mysterious lookCase size (without crown): 40 mm x 47.5mmCase size (with crown): 42mm x 47.5 mmSapphire crystal display backAlligator with Deployant Buckle.  Extra set of Alligator Strap pieces.  $900 Upgrade included.Automatic mechanical movementsJump hourRetrograde minutesRetrograde flyback secondsSecond timezone GMTDay/night indicatorSapphire crystal side case, offering a lateral view of the movementCompletely black-rhodium finished movement for a mysterious lookCase size (without crown): 40 mm x 47.5mmCase size (with crown): 42mm x 47.5 mmSapphire crystal display backCrocodile Strap with Deployant BuckleBlack dialSilver numeralsGraduating color tone for the subdialPre-owned.  Worn less than 10 times