ROMAIN GAUTHIER – Heritage C by Romain Gauthier Carbonium® Edition White - 2025
A fusion of technical sophistication, lightness, and robustness, the C by Romain Gauthier is taken into an even more technical and sporty dimension by using Carbonium®. As with the Insight Micro-Rotor Squelette, the case, crown, and buckle in Carbonium® further lighten this characterful timepiece, housing a Grade 5 titanium movement.
Unveiled in 2021, the C by Romain Gauthier caliber is the result of more than 16 years of know-how acquired through the brand’s development and its manufacture, while reflecting Romain’s creative freedom with a modern and youthful design.
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Technical in nature, casual in style and free in spirit, the Freedom collection has enabled the creation of this contemporary caliber. The significance of C by Romain Gauthier lies in its creative approach to reinforce the notions of continuity with its concept and design, in reference to the Continuum. Reflecting a vision of the future for a timepiece which is part of Romain Gauthier’s philosophy, and which opens the door to new horizons.
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During its creation, it was clear to Romain that the case had to harmonize with the movement. It had to be contemporary and uncluttered. But not only that – comfort, ergonomics and the choice of materials also contributed to the design of this timepiece with the decision to use Grade 5 titanium. The dial, in sapphire for this edition, adds to the consistency of the piece and evokes a sense of continuity, as no circle completes the time indication.
With the Carbonium® Edition, the technical dimension of the C by Romain Gauthier reaches a new level of sophistication. Crafted from Carbonium®, a cutting-edge carbon composite sourced from aerospace-grade fibres that is light, mechanically resistant and catches the eye with its dynamic veining.
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Inside, the in-house manual-winding movement retains all the hallmarks of Romain Gauthier’s haute horlogerie craftsmanship—meticulous hand-finishing, precision engineering, and intelligent architecture—while embracing a bold, forward-looking aesthetic. The result is a watch that bridges the traditional and the technical, the artisanal and the avant-garde, reaffirming Romain Gauthier’s commitment to innovation without compromise.
The C by Romain Gauthier Carbonium® Edition is a customisable “Manufacture Only” edition available exclusively via Manufacture Romain Gauthier.
A high-tech, high-performance material: Carbonium®
Carbonium® is a high-tech, high-performance, carbon fibre composite invented and produced by French company Lavoisier Composites. It is made by employing a special compression-moulding process to ‘upcycle’ the epoxy resin and carbon fibres found in prepreg tapes sourced from the aerospace industry – fibres once earmarked to form part of an airliner wing, fin or fuselage.
To make each of the Carbonium® elements for this timepiece, Lavoisier Composites creates Carbonium® blocks which are then finely shaped on a 5-axis machining centre before being matte-finished for a slightly silky surface appearance. In accordance with Romain’s wishes, Lavoisier chose a long fibre length of 50mm, in their eyes the sweet spot between mouldability, aesthetics and mechanical properties.
A partially openwork dial
This new iteration of the C by Romain Gauthier features a black and chrome metallic sapphire dial that reproduces the structure of Carbonium® through pixelation.
The partially openworked dial reveals part of the titanium movement, allowing the wearer to admire the delicate hand-finished details even when the watch is being worn.
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The seconds wheel is the main feature of this opening. In addition to its mechanical aspect, this wheel is an aesthetic symbol unique to the brand. Its shape and openings are typical of Romain Gauthier wheels - the decorative circling and polished angles attest the care devoted to the finishing of each component.
The partial opening of the dial also reveals the escapement assembly with the escapement wheel, balance and pallet fork. A decorative bridge on the lower part of the dial has been added featuring a Carbonium® insert, reinforcing the DNA of this assertive timepiece.
By opening the dial at the front and leaving the movement visible at the back, Romain Gauthier highlights the heart of this caliber. Thanks to the decoration of each component, this timepiece takes on a new visual dimension - contrast and play of light bring this Grade 5 titanium movement to life.
The dial of the C by Romain Gauthier, a symbol of modernity and continuity both in terms of architecture and design, features an off-center hour-minute hands and slightly tapered hour markers of varying lengths. The 5-second intervals of the small seconds at 7 o'clock are also marked by tapering lines of differing lengths.
Romain explains this purposeful play on perspective, saying: “Rather than a series of enclosed circles, as we often see in watchmaking, I wanted an open, airy dial on which full or part orthogonal lines form vanishing points with the axes of the hands, reinforcing the notion of continuity.”
The dial plate is made from sapphire, and the Carbonium® pattern has been reproduced to harmonize this piece and reinforce its DNA.
The hands are made from Grade 5 titanium and filled with Super-LumiNova for enhanced legibility. The numerals and applied hour markers made entirely of Super-Luminova, improving visibility and reinforcing the modern feel of this timepiece.
The indices and numerals are available in several colors, including white, green, blue, yellow, and orange, and can be developed in other colors upon special request. The RG logo inside the crown and on the pin buckle matches the colors of the indices and numerals, the straps can also be color-coordinated.
Eye-catching Carbonium® case
The Carbonium® bezel is first machined into a round shape featuring a circular bevel before six straight sides are cut into it to create 6 facets. These matte and satin finishes absorb light and add character to this timepiece. The same facetted design is replicated around the sapphire crystal on the back of the watch.
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As with the other editions of C by Romain Gauthier, the winding and time setting crown has been placed at 2 o'clock, freeing up space for the wrist movement. The fluted crown also allows an easy handling and provides an additional eye-catching aesthetic element to the case.
Clever stop-seconds mechanism that uses a snail cam
Romain has endowed C by Romain Gauthier with a stop-seconds mechanism, allowing the wearer to set the time exactly according to a reference time.
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Those familiar with the brand will know Romain has used the snail cam’s unique shape in his past creations: It appears on the watchmaker’s acclaimed Logical One.
In-house movement where design and decoration meet modernity
The themes of modernity and continuity carry over to the manual-winding, in-house movement, which is proudly on show through the display back.
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The outer edges of each bridge all feature a double bevel, while the flat bridge surfaces and rubies are each framed by a raised border that has been straight-grained. Within these borders, Carbonium® inserts have been placed, reinforcing the character of the piece on the back of the movement and harmonizing the timepiece as a whole.
C by Romain Gauthier’s regulator features the Romain Gauthier balance wheel with curved arms and calibrated eccentric weights, plus hand-assembled pallet lever that is triangular for maximum rigidity.
Rubber strap and Carbonium® pin buckle
The C by Romain Gauthier Carbonium® Edition stands out with its high-grade rubber strap, designed to combine comfort, technical sophistication, and aesthetic harmony. Its central texture subtly echoes the pattern of Carbonium®, creating a visual dialogue between the case material and the strap. This continuity of textures reinforces the watch’s identity, where every detail is conceived to extend the technical and contemporary spirit of the piece.
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The Carbonium® pin buckle integrates seamlessly with the overall design. The strap follows the angular lugs and rounded caseband, creating a sense of fluidity and organic continuity — as though the watch and its strap were sculpted from a single form. This ergonomic design ensures exceptional comfort on the wrist, while emphasizing the technical and sculptural character of the Carbonium® Edition.
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TECHNICAL SPECIFICATIONS
Collection Heritage
Name: C by Romain Gauthier Carbonium® EditionWhite
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Ref. MON00561 - White accents
Features and indicationsOff-centred hours and minutes
Small seconds at 7 o’clock
Case, crown and pin buckle in Carbonium®
Openwork sapphire with Carbonium® design dial
In-house Grade 5 Titanium movement featuring stop-seconds mechanism
Rubber strap
Dial and hands
Openwork sapphire with Carbonium® design
Off-centred hours and minutes
Small seconds at 7 o’clock with 5-second intervals marked by tapered lines Super-LumiNova-filled Grade 5 titanium hands. Numerals and indices entirely in Super-LumiNova.
Movement and finishing
Manufacture calibre C by Romain Gauthier
In-house, hand-wound movement
Dimensions: 32.10 mm x 5.50 mm
Power reserve: 60 hours
Number of jewels: 24
Number of components: 154
Balance frequency: 28,800 vph / 4Hz
Components made from: Titanium, brass, Carbonium®, steel, stainless steel and German silver
Finishing: Superlative decoration by hand.
Bridges: decorated with Carbonium® inserts.
Treatment: Natural titanium bridges and rhodium-treated gears.
Case
Material: Carbonium®
Dimensions: 42mm x 9.6mm, lug to lug: 50.4 mm
Water resistance: 30m/3atm/100ft
Fluted winding and setting crown at 2 o'clock.
Sapphire crystal with interior anti-reflection coating, front and display back
Strap and buckle
Rubber strap, colour customisable
Carbonium® pin buckle
Total weight of the watch: 43g, including rubber strap and Carbonium® pin buckle.
References:
• White accents: MON00561
• Yellow accents: MON00564
• Green accents: MON00565
• Blue accents: MON00566
• Orange accents: MON00567
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Press release - 2025
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