Greubel Forsey Double Balancier
Greubel Forsey Double Balancier
© Greubel Forsey
Double Balancier is a luxury wristwatch by Greubel Forsey.
The special feature of this watch is the double balance (double balancier): two oscillating systems coupled via a differential, which contribute to an additional improvement of the rate precision. This invention was patented by Greubel Forsey.
Movement:
- Manual winding manufacture movement, 21.600 A/h
- Two Greubel Forsey balance, inclined by 30°
- Balance springs: Phillips terminal curve, Geneva-style stud
- Main plate: Nickel silver, frosted and spotted, with polished bevelling and countersinks, straight-grained flanks, grey treatment
- Bridges: Nickel silver, spotted, with polished bevelling and countersinks, straight-grained flanks, grey treatment
- Flat black polished steel differential bridges
- Flat black polished gold centre bridge, with polished bevelling and countersinks, straight-grained flanks
- 2 engraved gold plates (1x Greubel Forsey, 1x individual number)
- Escapement platforms inclined at a 30° angle, Nickel silver, straight graining, hand-polished bevelling and countersinks, nickel-palladium treatment
- 50 jewels
- 285 components
- Power reserve 72 h
Case:
- 18ct red gold
- Ø 43.0 mm, H 13.38 mm
- Convex sapphire crystal, caseback with sapphire crystal
- Waterproof to 3 atm
Dial:
- Multi-level black anthracite gold dial
- Differential rotation and small seconds indicators in gold
- Hours and minutes hands in polished gold, with Super-LumiNova
- Small seconds and 4-minutes hands in polished blued steel
- Power-reserve hand in polished gold
Functions:
- Hours, minutes, small seconds
- Indication of the differential
- Power reserve indicator at 2 00
Bracelet:
- Hand-sewn alligator leather strap with folding clasp
Limited edition:
- 51 pieces (2016-2021)