Jaeger-LeCoultre
Master Calendar
Q1558420
Triple calendar elegance in 39 mm steel, powered by Calibre 866.
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Overview
The Jaeger-LeCoultre Master Calendar reference Q1558420 is a 39 mm stainless steel dress watch combining a triple calendar with a moonphase display on a silver dial. It belongs to the long-established Master Control collection, which has served as the maison's benchmark for refined, everyday-wearable complications. Calibre 866 drives the day, date, month, and moonphase indications with the measured precision associated with the Le Sentier manufacture.
History
The Master Calendar line traces its roots to Jaeger-LeCoultre's tradition of producing legible, complication-rich watches in restrained dress-watch proportions. Reference Q1558420 was produced from 2013 to 2019, occupying a considered middle ground between the brand's entry-level Master Control pieces and its grand-complication offerings. Its 39 mm case diameter reflected a period when the market was beginning to favour a return to more classical sizing after years of larger sport-influenced cases. The reference has since attracted collector attention as a well-priced gateway into genuine manufacture calendar watchmaking.
Notable points
- Calibre 866 is an in-house Jaeger-LeCoultre movement offering simultaneous display of day, date, month, and moonphase.
- The 39 mm stainless steel case sits at a versatile size suited to both formal and smart-casual wear.
- The silver dial presents triple-calendar information through clearly differentiated sub-registers, maintaining legibility without visual clutter.
- Production spanned 2013 to 2019, giving the reference a defined production window that appeals to collectors seeking a specific era of Master Control output.
- The moonphase display on Calibre 866 is noted for high astronomical accuracy, requiring only an occasional manual correction over extended periods.
Specifications
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