SPECIFICATIONS
Greubel Forsey GMT Sport
Functions: GMT, 2nd time zone, rotating globe with universal
time and day-and-night, universal time on 24 time zones,
summer and winter time, summer time, GMT and Earth
pushers, tourbillon 24 Secondes, hours and minutes, small
seconds, power-reserve.
Displays: Small seconds on disc, 72-hours power reserve on a
sector, 24-seconds tourbillon rotation, rotating titanium globe
with universal time, day and night, and time zone GMT.
Back: 24 time zones, Summer time.
Case: 42mm x 15.7mm titanium, three-dimensional, variable
geometry-shaped bezel with raised engraved text, profiled
lugs, screwed fixing, engraved pushers, transparent back
with high domed synthetic sapphire crystal, titanium security
screws. Bezel is 45mm titanium, rubber crown with logo, 100
meters of water resistance.
Dial side: Three-dimensional, variable geometry hour-ring,
with luminescent hours and minutes indexes, GMT indicator
with raised engraving, power-reserve indicator, engraved and
lacquered, tourbillon rotation indicator in gold, rotating globe
with fixed day-and-night UTC indicator in synthetic sapphire,
engraved and lacquered.
Movement: Hand wound by Greubel Forsey with three
pending patents, two coaxial series-coupled fast-rotating
barrels (1 turn in 3.2 hours), one of which is equipped with a
slipping spring to avoid excess tension, 21,600 bph. On dial
side, titanium bridges are frosted and spotted with polished
beveling and countersinks, straight-grained flanks, black
treatment. Multi-level, suspended-arch bridge, polished
with black treatment in relief, polished beveling and
countersinks, straight-grained flanks. Tourbillon bridge is flat
black polished with black treatment in relief, spotted, polished
beveling and countersinks, straight-grained flanks.
Strap: Black or blue rubber with relief text and titanium folding
clasp engraved with GF logo.
Price: $500,000.
48 | INTERNATIONAL WATCH | WINTER 2020
Round when
viewed from
above, the GMT
Sport’s
completely new
titanium case
reveals an
exaggerated
arch and ovoid
shape when
viewed from the
side or the front.