Jaeger-LeCoultre - Master Ultra Thin - 1303520

The new Master Ultra Thin Perpetual watch is the very essence of watchmaking elegance. It reveals a dial of great purity of form, in which its perpetual calendar indications are displayed in a format that is extremely easy to read. The Jaeger-LeCoultre Calibre 868 enclosed in its new, extremely elegant case at only 9.2mm high, functions with unrivalled reliability. With only 9 mm thickness for 39 mm diameter, the case of the Jaeger-LeCoultre Master Ultra Thin Perpetual automatic watch houses a perfectly balanced dial which showcases the different functions of the quantième perpétuel in a very clear manner: day, month, year and moon phases. The dial of the Jaeger-LeCoultre Master Ultra Thin Perpetual watch displays the perpetual calendar indications in a balanced and extremely clear manner: day, month, date, year and moon phase. All the information is regulated by only one corrector. Once set, the automatic watch will not need any adjustment until 2100. The perpetual calendar mechanism takes into account the length of each month and counts 29th February every leap year. Reference 1303520, featuring a white gold case, was introduced at SIHH 2013.