Uncover the mystery of the black perforated ring in the Jaeger-LeCoultre Geophysic 1958 caseback. Is it a shock absorber, anti-magnetic cage, or a patented alignment system? Expert insights and collector debate.
Not a day goes by I don\'t think about getting it back. I love the crosshairs and how it forms the Cartesian graph. Somehow it made me feel that the world was knowable, or at least containable. Part of that affect comes from how the hour numbers are on th...