Jaeger-LeCoultre Master Ultra Thin ref. Q1338421 / 170.8.37, complete set

$5,300.00

Jaeger-LeCoultre showcases its technical prowess with the Master Ultra Thin ref. Q1338421, a remarkably slim 41mm dress watch driven by the 3.98mm-thin in-house caliber 896 and distinguished by its purist two-hand layout atop a silver sunray dial.

Jaeger-LeCoultre showcases its technical prowess with the Master Ultra Thin ref. Q1338421, a remarkably slim 41mm dress watch driven by the 3.98mm-thin in-house caliber 896 and distinguished by its purist two-hand layout atop a silver sunray dial.

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  • The Jaeger-LeCoultre Master Ultra Thin ref. Q1338421 reflects the brand’s esteemed reputation as the “watchmaker’s watchmaker,” delivering the kind of refined proportions, reliability, and precision attainable only from a fully integrated in-house manufacture. Its polished 41mm case stands just 7.5mm tall, a feat made possible by the ultra thin automatic caliber 896. Tested to Jaeger-LeCoultre’s rigorous 1,000 Hours Control standards, the 3.98mm tall movement showcases the brand’s technical mastery with its exceptional finishing and craftsmanship. This watch features a sunray-brushed silver dial and only two dauphine hands for a clean, minimalist presentation that prioritizes simplicity above all else.

  • This watch is in great condition, showing minor signs of normal wear including scratches and small dings. The movement is running properly with all functions operating as intended. Additional photos are available on request.

  • This watch comes as a complete set with its original boxes, sealed instruction manual, booklets, sales tags, and warranty card.

  • Brand: Jaeger-LeCoultre

    Model: Master Ultra Thin

    Reference: Q1338421

    Case code: 170.8.37

    Year: 2020s

    Case size: 41mm

    Lug-to-lug: 47mm

    Case thickness: 7.5mm

    Case material: Stainless steel

    Dial color: Silver

    Movement: Jaeger-LeCoultre caliber 898C

    Complications: None

    Water resistance: 50 meters

    Strap/bracelet: JLC brown alligator strap with stainless steel butterfly clasp

    Lug width: 21mm