First launched in 1992, the Master Control was a demonstration of Jaeger-LeCoultre’s technical prowess and commitment to high horological standards. It introduced the Maison’s rigorous “1000 Hours Control” test that soon became a standard for all Jaeger-LeCoultre timepieces. Ever since then a staple in the brand’s portfolio, two new intriguing blue dial timepieces join the ranks of the collection, the Master Control Date and Master Control Calendar.

Both have a diameter of 40mm. Executed in stainless steel and endowed with blue sunray-finished dials, they display the line’s sophisticated aesthetic details, such as the combination of applied Arabic numerals and faceted markers, faceted dauphine hour and minute hands and a notably slim bezel.
In the Master Control Calendar, which offers a complete calendar, the jumping date indication makes a welcome reappearance. A slender date hand extends outwards from the center of the dial, ending in a red-lacquered Jaeger-LeCoultre logograph that points towards the date on the outer periphery of the dial. For optimal reading of the dual-display moon phase and small seconds subdial, the date hand makes a 90° jump between the 15th and 16th day of each month. This ensures that the moon phase and small seconds subdial is never covered by the date hand, a small yet cool detail.

As is de rigueur for the Swiss tradition brand, both models use in-house movements. The self-winding calibe...