
Jaeger-LeCoultre
Geophysic True Second
Q8018420
A deadbeat seconds dress watch rooted in mid-century scientific heritage.
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Overview
The Jaeger-LeCoultre Geophysic True Second (ref. Q8018420) is a 39.6 mm stainless steel dress watch distinguished by its deadbeat seconds complication, in which the seconds hand advances in precise, discrete one-second steps rather than a continuous sweep. Housed beneath a white lacquered dial, Calibre 770 delivers this exacting display with the restrained elegance characteristic of the Geophysic line. The result is a timepiece that bridges horological precision and classical dress-watch aesthetics.
History
The Geophysic name traces its origins to the original Jaeger-LeCoultre Geophysic of 1958, a watch developed in the context of the International Geophysical Year and prized for its antimagnetic and precision credentials. Jaeger-LeCoultre revived the name in 2015 with a modern collection that honoured that scientific spirit, and the True Second variant — introduced as part of that relaunch — brought the deadbeat seconds complication to the fore. The Q8018420 remained in production through approximately 2020, occupying a respected position among contemporary dress watches with in-house complications.
Notable points
- Deadbeat seconds: Calibre 770 drives the seconds hand in crisp, one-second jumps, a complication historically associated with precision observatory timekeeping.
- White lacquered dial provides a clean, luminous backdrop that keeps the focus on the disciplined seconds display.
- At 39.6 mm in stainless steel, the case sits at a classically proportioned size well suited to formal wear.
- The Geophysic line revives a lineage dating to 1958, lending the reference a direct connection to Jaeger-LeCoultre's mid-century scientific watchmaking.
- Calibre 770 is an in-house movement, reflecting Jaeger-LeCoultre's long-standing manufacture tradition.
Specifications
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