greubel_forsey_quadruple_tourbillon_secret
Greubel Forsey Quadruple Tourbillon Secret
Greubel Forsey Quadruple Tourbillon Secret Platinum
© Greubel Forsey
Greubel Forsey Quadruple Tourbillon Secret Red Gold
© Greubel Forsey
The Quadruple Tourbillon Secret is a wristwatch by Greubel Forsey.
Variant of the model Quadruple Tourbillon with hidden quadruple tourbillon, presented in 2012.
Movement:
- Manual winding manufacture movement, 21,600 A/h
- Balance spring with Phillips terminal curve
- Four independant tourbillons in two double cages
- Inner tourbillons inclined at a 30° angle, 1 rotation per minute
- Outer tourbillons 1 rotation in 4 minutes
- 63 jewels
- Olived-domed jewels in gold chatons
- 509 components
- Power reserve 50 h
Case:
- Ø 43.5 mm, H 16.11 mm
- Sapphire crystal, domed, and transparent asymmetrical caseback
- Lateral window with shaped sapphire crystal
- Relief engraving of the name of the invention on the manually hammered caseback
- Waterproof to 3 atm
Dial:
- Gold multi-level either black (red gold version) or silvered (platinum version)
- Gold hour markers
- Gold display sectors
Functions:
- Hours, minutes
- Two inner minute tourbillons, 30° inclined, two outer tourbillons with 4 minutes circulation time, hour and minutes, small seconds and power reserve indicator via arc
Bracelet:
- Black hand-sewn Alligator strap with folding clasp
Limitation:
- 8 pieces in red gold and 8 pieces in platinum
greubel_forsey_quadruple_tourbillon_secret.txt · Last modified: 02.12.2022 20:43 by 127.0.0.1