Greubel Forsey Double Balancier Convexe Carbon
The Greubel Forsey Double Balancier Convexe Carbon is a 42.5 mm carbon watch with a hand-wound movement. At a list price of $400,000, only one of the 93 other carbon watches in production costs more.
1 official photo · reader photos welcome
Price
$400,000
Material
Carbon
Grade / type
Compression-molded carbon fibre
Water resistance
100 m
- Type
- Other
- Case diameter
- 42.5 mm
- Thickness
- 14.35 mm
- Origin
- Switzerland
- Movement
- Manual, double inclined balancier
- Power reserve
- 72 hours
- Complications
- Time only
- Colour
- Black
- Construction
- Assembled
- Finish technology
- Natural finish
- Caseback
- Sapphire
- Nickel-free
- Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
- Bracelet / strap
- Strap
- Crystal
- Sapphire
- Display back
- Yes
- Dial
- Openworked
- Availability
- Offered
- Status
- Limited edition of 22 per colour (green and black); the maker no longer lists the carbon reference
- Not published
- Reference, Lug-to-lug, Weight, Caliber, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence
Verified Sep 2026
Source: Greubel Forsey (maker) / Watchonista / Revolution / WatchTime
Spec checksComposite Sep 2026Price Sep 2026
Facts are free to cite with a link.
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Frequently asked questions
What is the case of the Greubel Forsey Double Balancier Convexe Carbon made of?
The case is compression-molded carbon fibre. The guide has not yet confirmed it on the maker's own page. The caseback is sapphire.
What size is the Greubel Forsey Double Balancier Convexe Carbon?
The case is 42.5 mm across and 14.35 mm thick. It is water resistant to 100 m.
How much does the Greubel Forsey Double Balancier Convexe Carbon cost, and is it available?
It is in production, at a list price of $400,000.
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