With this new timepiece, GMT Earth, Robert Greubel and
Stephen Forsey took up the challenge of providing a complete
three-dimensional view of the terrestrial globe from the North
Pole to the South.
SPECIFICATIONS
MOVEMENT
Manual winding, Tourbillon cage weight: 0.39 grams; two fast-rotating mainspring barrels; balance spring with Phillips terminal curve;
FUNCTIONS
Hours and minutes, Small seconds, 72-hours power reserve on a sector, 2nd time zone GMT
BRACELET/STRAP
Black rubber or hand-sewn alligator
BUCKLE
White gold folding clasp
This spatial 360° view was made possible by
rearranging the architecture of the movement and the case,
which has a side window in shaped sapphire, as well as a
sapphire crystal case back in three dimensions with a built-in
dome. Three time zones are visible simultaneously, and these
can be set to the nearest quarter of an hour. Moreover, on the
rear of the watch the 24 time zones, including summer and
winter times, complement the universal time indicated by the
terrestrial globe.
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