Jaeger-LeCoultre
Master Ultra Thin Moon 39
Q1368420
Classical moonphase elegance distilled into 39 mm of polished steel.
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Overview
The Jaeger-LeCoultre Master Ultra Thin Moon 39 (ref. Q1368420) pairs a restrained 39 mm stainless steel case with a silvered dial that frames a moonphase and date display at six o'clock. It belongs to the long-running Master Ultra Thin collection, which has consistently pursued the discipline of slimness without sacrificing horological substance. The result is a dress watch that sits comfortably at the boundary between everyday wearability and formal refinement.
History
The Master Ultra Thin line traces its roots to Jaeger-LeCoultre's enduring tradition of producing exceptionally thin movements, a craft the manufacture has pursued for decades. The Moon 39 variant was introduced in 2013, bringing the moonphase complication — long associated with the Grande Maison's heritage — into a more accessible case diameter suited to a wider range of wrists. The reference Q1368420 in stainless steel has remained in production, reflecting sustained collector interest in classically proportioned dress watches with genuine complications. Its longevity in the catalogue speaks to the enduring appeal of the combination of slim architecture and a well-executed lunar display.
Notable points
- The calibre 925/1 is an in-house automatic movement developed by Jaeger-LeCoultre, incorporating both moonphase and date functions within a slim profile consistent with the Ultra Thin ethos.
- At 39 mm, the case diameter was deliberately chosen to echo mid-century dress-watch proportions, making the piece versatile across formal and smart-casual contexts.
- The silvered dial provides a subtly luminous backdrop that shifts character under different lighting conditions, a hallmark of traditional grand-feu or lacquered finishing techniques.
- The moonphase display at six o'clock is integrated with the date, keeping the dial architecture symmetrical and uncluttered — a compositional discipline central to the Master Ultra Thin aesthetic.
- Stainless steel, rather than precious metal, gives the Q1368420 a degree of robustness and versatility that broadens its appeal beyond purely ceremonial wear.
Specifications
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