Jaeger-LeCoultre launched its new watch- limited edition Geophysic 1958 .This week. It designed for scientists, engineers and others in technical professions.
The watch was equipped with antimagnetic protection, luminous hands, a chronometer-certified hand-wound movement and water resistance.
The dial is easy to read, but the luminous dots at the hour markers are rather small for nighttime legibility. Previously these dots were placed on the underside of the Plexiglas crystal, but they are now on the inner bezel edge. The textured surface on the dial is the same as on the original. 
The crown also looks similar to its predecessor: a slightly rounded, logo-free polished dome rarely seen these days. Some modern updates include the sapphire crystal and a larger case – 38.5 mm compared to 35 mm. The mid-section of the case has a carefully brushed finish, which covers every surface but the tight corners between the lugs.
The movement is not on display, and for good reason – an inner soft-iron case protects it from magnetic interference, just as it did on the original. Then as now, the shield provided pro- tection not just in highly magnetic environments like those an engineer might encounter, but also in everyday settings. The caseback is decorated with Jaeger-LeCoultre’s initials over an engraved emblem symbolizing the International Geophysical Year – a globe with lines of latitude and longitude.
The caseback notes that the watch is a limited edition of 800 pieces and that it is water resistant to 100 meters. The alligator strap is nicely finished. It has a varnished top layer and an even, machine-sewn seam. It is lined with bison leather, which does not readily show signs of perspiration or wear and feels smooth against the skin.
