The Jaeger-LeCoultre Master Control collection, First introduced in 1992, Is the brand’s flagship collection, A contemporary reinterpretation of classic designs from the golden age of watchmaking in the 1950s. The collection is the result of combining Jaeger-LeCoultre’s technical expertise and philosophy, And at the time of its launch, It set a new industry standard with the brand’s first ever ‘1000 Hours Control’ quality certification.
'1000 Hours Control' is a quality assurance that involves rigorous testing of completed watches for approximately 41 days, And was evaluated as an innovative process that surpassed industry standards at the time. Based on these tests, Master Control has established itself as a collection that symbolizes high reliability and outstanding technical skills. Since 1992, Master Control has maintained a unique position in the high-end watch market, Representing Jaeger-LeCoultre's technical excellence and tradition.
Jaeger-LeCoultre Q1428421 features a 39mm stainless steel case with a transparent sapphire case back and a silvery sunray-finished silver dial. The dial features Arabic numerals, Luminous indexes, Dauphine hands and blued hands, Providing excellent readability. The black alligator leather strap and steel deployant buckle provide a luxurious feel when worn.
The GMT function displays a second time zone at 6 o’clock, And 24 cities can be easily selected via the crown at 10 o’clock. Practicality is maximized with the addition of a power reserve indicator at 9 o’clock, A date subdial at 3 o’clock, And an AM/PM indicator.
The movement is caliber 939A, Which provides a power reserve of 43 hours, And is water-resistant to 50 meters, Making it suitable for both everyday use and travel. The elegance of tradition and innovation, And the free gaze toward the world will start a special journey on your wrist.

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