This year Jaeger-LeCoultre Master Ultra Thin Ultra-thin Masters Series using ultra-thin movement which integration of a number of complex functions, launched the first self-winding ultra-thin perpetual calendar watch dial cover all display functions, but extreme simplicity. The new Master Ultra Thin Perpetual ultra-thin perpetual calendar Masters Series watch is equipped with a thickness of only 9.2 mm case. While this new watch case material with three different styles of different colors. The first eggshell 18K rose gold case with yellow dial; paragraph 18K white gold case with silver grained dial; final of a stainless steel case with engraved sun radial Microhyla silver dial.

Time display legible, at a glance, infallible. In addition to the hour, minute and central seconds hand, the watch also has three specialized display the counter of the calendar: Week display at 9 o'clock, date display at 3 o'clock, 6 o'clock position is used to display the month. Jaeger-LeCoultre Jaeger LeCoultre exclusive signature in the phase of the moon display above.

The only adjustment buttons are located on the side of the case, used to adjust all functions. Abide by the the extraordinary simple principle: alone the day before an action can be calendar tune. In order to be consistent with the Gregorian calendar standards, all other required a corresponding adjustment will be done automatically. Watch mechanism very advanced, even taking into account the month ranging from the length may be 28 days, 30 days or 31 days of the problem. Every four years, the watch will automatically display In leap year exclusive on February 29, is no different from the other date. Watch without any manual adjustment prior to March 1, 2100, every four years a leap year cycle, the next century of the Year is a special case. The moon phase display function will be faithful to show the different states of the moon in the next 122 years.

Finally, the center of the dial on a bit more at a small rectangular window, usually with dial background tone turns red in the middle of the night alone. To zero time adjustment function, the gear has been tightly bite. Therefore, a small window will prompt within a certain period of time to avoid any adjustment to avoid gear damage.