====== Greubel Forsey GMT Earth ======

{{wst>image_cr|Greubel Forsey|GMT Earth|280px}}

The **GMT Earth** is a wristwatch by [[Greubel Forsey]].

This complicated watch was presented at the [[SIHH]] in [[2018]]. It has a titanium case and owns 3 patents.

GMT • 2nd time zone • rotating globe with universal time and day-and-night • complete and
global view from northern to southern hemisphere • universal time on 24 time zones • summer
and winter time • cities observing summer time • lateral window showing the equator • GMT pusher • Tourbillon 24 Secondes • hours and minutes • small seconds • power-reserve

<WRAP ud ud_mod>
**Movement:**
  * [[Manual winding]] [[manufacture movement]], 21,600 A/h
  * [[Tourbillon]] inclined at a 25° angle, 24-seconds rotation
  * [[Balance spring]] with [[Phillips terminal curve]] and Geneva-style stud
  * 60 [[jewels]]
  * 453 components
  * [[Double barrel]]
  * [[Power reserve]] 72 h

**Case:**
  * [[Titanium]]
  * Ø 45.5 mm, H 16.18 mm
  * Lateral window with shaped synthetic [[sapphire crystal]]
  * [[Sapphire crystal]] caseback
  * [[Waterproof]] to 3 atm

**Dial:**
  * Multi-level hour-ring in synthetic sapphire
  * Galvanic growth hour indexes
  * Engraved and lacquered minutes and small seconds

**Functions:**
  * Hours, minutes, small second
  * 2nd time zone [[GMT]]
  * 24 time zones universal time
  * Rotating titanium globe with universal time
  * Complete view from North Pole to South Pole
  * Summer time
  * [[Day/Night indicator]]
  * [[Power reserve indicator]]

**Bracelet:**
  * Rubber or hand-sewn alligator strap with [[folding clasp]]

**Limitation:**
  * 11 pieces
</WRAP>


{{tag>Watch_models GMT_watches Watches_with_tourbillon Greubel_Forsey_models}}