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Greubel Forsey GMT Earth
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
- 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
- Power reserve 72 h
Case:
- 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
Bracelet:
- Rubber or hand-sewn alligator strap with folding clasp
Limitation:
- 11 pieces
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