⏱ 10-13 min Read
📅 Updated Mar 2026
🔍 1 Watch Reviewed
In the rarefied world of independent watchmaking, few names command the same level of reverence as Greubel Forsey. With the release of the Balancier Convexe S2, the brand once again pushes the boundaries of mechanical innovation, architecture, and wearable art. This latest limited-edition masterpiece, crafted in ceramic and 18k 5N red gold, is not just a watch—it’s a statement of technical mastery and avant-garde design.
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The interplay between black ceramic and warm 5N red gold creates a striking contrast, emphasizing both modernity and traditional craftsmanship. The high-domed sapphire crystal enhances the three-dimensional dial, offering a dramatic view into the movement’s intricate architecture.
Every surface is meticulously finished—hand-polished bevels, straight graining, and engraved details elevate the case into a sculptural object.
.webp "Greubel Forsey Balancier Convexe S2 Black and White Timepieces")
Unlike traditional flat balance wheels, this inclined system improves chronometric performance by minimizing positional errors caused by gravity. The balance wheel itself is an in-house variable-inertia design, featuring six gold mean-time screws and measuring an impressive 12.6 mm in diameter.
The escapement platform, composed of 68 parts, is mounted in titanium and angled precisely at 30°, demonstrating the brand’s relentless pursuit of precision.
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The movement’s multi-level architecture features openworked, suspended bridges that create depth and visual intrigue. Frosted surfaces contrast with polished bevels, while the black treatment adds a contemporary edge.
A gold plate engraved with the limitation number reinforces the exclusivity of this limited edition Greubel Forsey timepiece.
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The variable geometry hour ring and applied indices create a constantly shifting visual experience depending on the angle of light. This is not just a dial—it’s kinetic art.
Despite its haute horlogerie status, the Greubel Forsey Balancier Convexe S2 review reveals a surprisingly wearable piece:
The use of rubber straps and titanium elements ensures comfort while maintaining the brand’s luxurious identity.
.webp "Greubel Forsey Balancier Convexe S2 5N Red Gold Timepiece on Men's Wrist")
The Greubel Forsey Balancier Convexe S2 is not designed for mass appeal—and that’s precisely its strength. It represents the pinnacle of independent watchmaking, where innovation, craftsmanship, and artistic expression converge.
For collectors seeking something beyond conventional luxury, this watch offers a rare combination of technical innovation, architectural beauty, and exclusivity.
In a market saturated with heritage reissues and incremental updates, Greubel Forsey dares to create something truly original.
.webp "Greubel Forsey Balancier Convexe S2 Watch")
A Bold Evolution of the Convexe Design Language
The Greubel Forsey Balancier Convexe S2 continues the brand’s signature convex case architecture, but refines it into a more dynamic and ergonomic form. Measuring 41.5 mm across the caseband and 44 mm at the bezel, the watch wears with surprising comfort thanks to its curved geometry and sculpted ceramic lugs.The interplay between black ceramic and warm 5N red gold creates a striking contrast, emphasizing both modernity and traditional craftsmanship. The high-domed sapphire crystal enhances the three-dimensional dial, offering a dramatic view into the movement’s intricate architecture.
Every surface is meticulously finished—hand-polished bevels, straight graining, and engraved details elevate the case into a sculptural object.
.webp "Greubel Forsey Balancier Convexe S2 Black and White Timepieces")
The Heart of Innovation: 30° Inclined Balance Wheel
At the core of this Greubel Forsey watch review lies the brand’s signature innovation: the 30° inclined balance wheel system.Unlike traditional flat balance wheels, this inclined system improves chronometric performance by minimizing positional errors caused by gravity. The balance wheel itself is an in-house variable-inertia design, featuring six gold mean-time screws and measuring an impressive 12.6 mm in diameter.
The escapement platform, composed of 68 parts, is mounted in titanium and angled precisely at 30°, demonstrating the brand’s relentless pursuit of precision.
Movement Architecture & Technical Excellence
The hand-wound movement inside the Balancier Convexe S2 is a mechanical marvel:
• 301 components meticulously assembled
• 43 jewels set in gold chatons with olive-domed profiles
• 72-hour power reserve delivered by twin fast-rotating barrels
• 21,600 vibrations per hour frequency
• Titanium bridges and mainplates with black treatment and hand-finishing
.webp "Greubel Forsey Balancier Convexe S2 Timepiece Dial Close Look")
A gold plate engraved with the limitation number reinforces the exclusivity of this limited edition Greubel Forsey timepiece.
A Dial Like No Other
The dial of the Balancier Convexe S2 is a three-dimensional playground of geometry and light:
• Suspended hour and minute display on an arched bridge
• Small seconds subdial in polished gold with black treatment
• Power reserve indicator with engraved lacquered scale
• Super-Luminova hour markers and hands for legibility
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Wearability & Everyday Practicality
Despite its haute horlogerie status, the Greubel Forsey Balancier Convexe S2 review reveals a surprisingly wearable piece:
• Water resistance: 30 meters
• Strap: Hand-sewn textured rubber or embossed rubber
• Clasp: Folding clasp in 5N red gold and titanium
• Crown: Ergonomic with interchangeable rubber capping
The use of rubber straps and titanium elements ensures comfort while maintaining the brand’s luxurious identity.
.webp "Greubel Forsey Balancier Convexe S2 5N Red Gold Timepiece on Men's Wrist")
FAQ: Greubel Forsey Watches
What makes Greubel Forsey watches so expensive?
Greubel Forsey watches are handcrafted in extremely small quantities, featuring complex innovations like inclined balance wheels and exceptional hand-finishing.
Is Greubel Forsey a good investment?
Due to rarity, innovation, and collector demand, many Greubel Forsey watches hold or increase in value over time.
What is the 30° inclined balance wheel?
It’s a patented system that positions the balance wheel at an angle to improve timekeeping accuracy by reducing gravitational errors.
How many watches does Greubel Forsey produce annually?
The brand produces only a few hundred watches per year, emphasizing quality over quantity.
Are Greubel Forsey watches wearable daily?
While highly complex, many models—including the Convexe series—are designed with ergonomics and wearability in mind.
Final Thoughts: A Collector’s Grail
The Greubel Forsey Balancier Convexe S2 is not designed for mass appeal—and that’s precisely its strength. It represents the pinnacle of independent watchmaking, where innovation, craftsmanship, and artistic expression converge.
For collectors seeking something beyond conventional luxury, this watch offers a rare combination of technical innovation, architectural beauty, and exclusivity.
In a market saturated with heritage reissues and incremental updates, Greubel Forsey dares to create something truly original.
[photo credits: Greubel Forsey / greubelforsey.com]
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