Introducing the Bremont Supernova Hawking Limited Edition

A tribute to Stephen Hawking, inspired by black holes, and based on Bremont's new space-themed chronograph.

The Supernova collection, launched earlier this year, marked a new chapter for the British brand Bremont. This collection of watches is a bold, integrated sports chronograph, inspired by spacecraft engineering and destined to be the first watch to remain permanently on the moon. Bremont continues its focus on the stars, with this limited edition Supernova Hawking, based on the Supernova chronograph, paying homage to physicist Professor Stephen Hawking's pioneering contributions to black hole research. This is Bremont's second collaboration with Professor Hawking's family, following the 2020 Hawking collection. The 2020 Hawking collection featured objects from Hawking's desk, a meteorite, and elements related to his scientific achievements.

The new Supernova Hawking watch retains the angular design of the standard chronograph series but features a deeper color scheme. The 41mm case is crafted from DLC-coated 904L stainless steel, measuring 14.4mm in thickness, with a lug spacing of 48.7mm. A black ceramic decagonal bezel, an integrated bracelet or rubber strap, and a multi-faceted case structure further enhance the futuristic aesthetic of the Supernova collection. This timepiece remains a powerful sports chronograph, featuring a large screw-down crown, sapphire crystal glass on both the front and back, and 100-meter water resistance.

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The dial design is inspired by spacecraft solar panels; a geometric grid pattern is embossed on the black electroplated surface, guiding the eye to the center. The chronograph subdials at 3 and 9 o'clock are crafted from genuine meteorite, giving each watch a unique crystalline texture formed before the meteorite reached Earth. A date display is located at 6 o'clock, subtly paying homage to Hawking's scientific achievements. His name and the famous equation describing the thermodynamic entropy of black holes (the Bekenstein-Hawking entropy formula), jointly proposed by Jacob Bekenstein and Stephen Hawking, are engraved on the dial. A fascinating article delves into this topic and its significance, well worth your time.

For readability, the triangular hour markers are filled with white Super-LumiNova luminescent material, emitting a blue glow, while the black and gold hands are also coated with luminescent material. The central chronograph seconds hand has a white tip for enhanced contrast, and a tachymeter scale is printed on the outer edge of the dial.

Turning the watch over reveals another design element related to Hawking's work. A black hole pattern is printed on the transparent case back, as if peering through an event horizon at the chronometer-certified automatic movement BC77 (based on the Sellita SW500, an alternative to the Valjoux 7750). The BC77 movement vibrates at 28,800 vibrations per hour, boasts a 62-hour power reserve, and features a Glucydur alloy balance wheel, Anachron hairspring, and Nivaflex mainspring.

The Bremont Supernova Hawking Limited Edition watch is available with either an integrated DLC-coated stainless steel bracelet or a black rubber strap, both equipped with a quick-release system.

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Technical Specifications – BREMONT SUPERNOVA HAWKING Limited Edition

Case: 41 mm diameter x 14.4 mm thickness x 48.7 mm lug spacing – DLC-coated 904L stainless steel – Black ceramic decagonal bezel – Sapphire crystal front and back – Screw-down crown – 100 m water resistance

Dial: Black electroplated geometric dial inspired by spacecraft solar panels – meteorite chronograph subdials – applied Super-LumiNova luminous hour markers – Black gold hands with Super-LumiNova luminous Hawking equation and Hawking's name at 6 o'clock – Date display

Movement: Caliber BC77 automatic cam-driven chronograph movement (based on Sellita) SW500 movement – ​​Chronometer certified – 28,800 vibrations per hour – 62-hour power reserve – Glucydur alloy balance wheel, Anachron hairspring, Nivaflex mainspring – Hours, minutes, seconds display, 30-minute chronograph function, central chronograph seconds hand, date display
Strap: Integrated DLC-coated steel bracelet or black rubber bracelet – Quick-release system – 20mm lug width

Richard Mille RM 64-01 Tourbillon Colnago

Integrated Main Cage

Richard Mille has incorporated the geometry of a professional bicycle frame into the micromechanical structure of a watch, creating the RM 64-01 Tourbillon Colnago. Limited to 50 pieces, this timepiece perfectly showcases the rigidity of the Colnago Master frame. The case is made of white quartz TPT, housing the manual-winding RM64-01 movement with a titanium baseplate. This movement boasts a 65-hour power reserve, directly transmitting torque to the tourbillon cage. Richard Mille's new creation is once again surprising and stunning.

The launch of the Richard Mille RM 64-01 Tourbillon Colnago marks a significant advancement in the application of bicycle frame engineering to micromechanical design. Limited to 50 pieces, this timepiece is inspired by the tubular structure of Colnago's classic Master frame, applying structural principles such as torsional stiffness and volume control to watchmaking. Richard Mille has always been committed to creating sports watches capable of withstanding the intense impacts of tennis swings or golf ball shots. Professional cycling, however, presents a completely different physical challenge to mechanical movements: continuous high-frequency vibrations are transmitted directly from the road to the handlebars, ultimately affecting the rider's wrist. This environmental factor dictates that the movement design must focus entirely on structural stiffness and shock absorption, rather than simply lightweighting.

Unlike previous products that heavily borrowed from automotive technology, the RM 64-01 employs a symmetrical layout designed to mimic a bicycle drivetrain. The gear train establishes a direct linear relationship between the power source and the adjustment mechanism. Colnago's Master frame, introduced in the 1980s, used star-shaped tubing, increasing the surface area and stiffness of the steel without increasing wall thickness or overall weight. The RM 64-01 watch applies this geometric principle to the movement's titanium upper bridge. The star-shaped profile design allows the movement bridges to resist torsion under impact while minimizing material density. The watch's color scheme—white, sky blue, and 5N red gold—is directly inspired by the C68 road bike, bringing Colnago's iconic visual elements directly to the wrist.

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Case and Dial

The RM 64-01's external dimensions are: case width 43.21 mm, lug spacing 49.94 mm, and thickness 14.23 mm. The three-layer tonneau-shaped case is primarily made of white quartz TPT (thin-layer technology). This composite material is made of parallel-arranged silica fibers. Each layer is no more than 45 microns thick, impregnated with white resin, and woven on a specialized machine that changes the weft direction by 45 degrees between layers. After assembly, it is heated to 120 degrees Celsius at 6 bar in an autoclave and then machined. This special process creates a material with an extremely high strength-to-weight ratio, completely unaffected by UV radiation, and resistant to the minor scratches that ordinary stainless steel or gold would easily bear.

The bezel is inlaid with sky-blue quartz TPT, a patented formula developed specifically for this watch. This marks a departure from traditional unibody case structures, requiring precise milling to successfully integrate the blue composite material into the white main case while ensuring structural integrity. The case uses 20 grade 5 titanium spline screws and 316L stainless steel wear-resistant washers to secure the three-section structure, and achieves 50-meter water resistance through two nitrile rubber O-ring seals. While not lightweight at 14.23 mm thick, the steep downward curve of the unibody lugs effectively reduces the vertical height, ensuring the watch fits the average wrist size rather than protruding like a flat block. Despite housing a sophisticated watchmaking movement, the overall ergonomic design remains balanced.

The watch completely abandons the traditional dial. The visual hierarchy is created by the 5N 18K red gold bezel surrounding the inner edge of the case. The bezel also serves as a graduated ring, inlaid with dotted hour markers filled with luminescent material. The central gear mechanism supports a strict two-hand design for the hour and minute hands. These hands, with their red gold outer edge and white central fluted design, directly echo the aesthetics of a bicycle crank arm. The tips of the hands are coated with luminescent material to ensure clear legibility against the dark mechanical dial background. Since there is no running seconds hand, the mainspring experiences no power loss, allowing the high-speed rotating mainspring barrel to fully transmit torque to the tourbillon escapement. The sapphire crystal glass on the dial is 1.50 mm thick, with a Vickers hardness of 1800, and features an internal anti-reflective coating; the sapphire crystal glass on the case back is 1.20 mm thick at the center and 1.95 mm thick at the edge to accommodate the domed tonneau-shaped case.

The RM 64-01 watch is powered by the in-house RM64-01 movement, a highly skeletonized manual-winding tourbillon movement measuring 33.00 mm x 30.80 mm and 6.28 mm thick. Its structural foundation is constructed entirely of Grade 5 titanium, with a baseplate and bridges machined from this alloy. This special alloy comprises 90% titanium, 6% aluminum, and 4% vanadium. Compared to commercially available Grade 2 titanium, the addition of aluminum and vanadium significantly enhances the metal's physical hardness and thermal stability. This exceptional rigidity is crucial for the highly skeletonized movement, as the baseplate must withstand the immense tension of a fully wound mainspring without deformation. The titanium components undergo micro-blasting, hand-polishing chamfering, and a black-grey PVD coating to reduce light reflection within the movement.

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The RM64-01's architecture is dominated by symmetry between the high-speed mainspring barrel at 1 o'clock and the variable inertia tourbillon at 7 o'clock. The mainspring barrel completes one rotation in significantly less time than a standard mainspring barrel. This accelerated rotation significantly reduces periodic internal mainspring sticking, resulting in a smoother torque curve during the 65-hour power reserve. The barrel gear and third pinion feature a central involute tooth profile with a pressure angle of 20 degrees. In mechanical gear trains, this special involute geometry ensures a constant line of action between the meshing gear teeth, minimizing friction and optimizing the transfer of mechanical energy from the barrel to the escapement. The barrel incorporates a progressively rebounding pawl, increasing winding efficiency by approximately 20% and ensuring a uniform distribution of internal tension during the initial winding phase.

The tourbillon cage houses a Glucydur alloy balance wheel. Glucydur is a beryllium bronze alloy with exceptional resistance to thermal expansion and magnetic fields. The balance wheel employs a variable inertia design, utilizing four adjusting screws on its outer edge instead of a traditional regulator. This allows watchmakers to adjust the moment of inertia (rated at 11.50 mg•cm²) directly on the balance wheel, improving long-term timekeeping stability and enhancing the movement's shock resistance. The balance wheel oscillates at 21,600 vibrations per hour (3 Hz), regulated by a Nivarox elinvar hairspring. To protect this 19-jewel movement from blunt impacts, it is equipped with a KIF Elastor KE 160 B28 shock absorber. The KIF system uses special spring clips that allow the jewel bearings fixing the balance wheel axis to move laterally and longitudinally upon impact and immediately return to their original position, preventing the tiny pivot from breaking during sudden deceleration.

The upper bridge of the fixed gear train is hand-painted, coated with sky blue and 5N red gold lacquer on micro-blasted titanium and secured with a unique blue-painted titanium hubcap. The steel components inside the movement are brushed and micro-blasted, and hand-polished with chamfered edges. Before the brass wheels are cut into their teeth, they are chamfered with diamond tools and then rounded on the front, followed by rhodium plating to maintain tight geometric tolerances. The pivot itself is polished; this process hardens the outer layer of steel by compressing the molecular structure, significantly reducing friction with the synthetic ruby ​​bearings.

Strap

The RM 64-01 comes with a proprietary white one-piece rubber strap. This strap uses a special formula to effectively resist yellowing caused by UV rays, a common aging problem of bright white vulcanized rubber components under prolonged direct sunlight. The strap features a highly breathable design with striking horizontal skeletonization and vertical texture along its length. These open channels serve a dual purpose: reducing the overall weight of the strap and promoting rapid wicking away of sweat during exercise, preventing sweat buildup on the skin.

The strap is securely attached to the case using a robust double-fork system, directly fixed to the white quartz TPT case structure. This design prevents wobbling at the lug connection, ensuring the strap maintains its tonneau shape as it wraps around the wrist. The resulting rigidity balances the sapphire crystal and gold components, firmly securing the 49.94 mm lug spacing and preventing lateral displacement of the case during vigorous movement.

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Technical Specifications

Case: 43.21 x 49.94 x 14.23 mm; white and sky-blue quartz TPT; 5N 18K red gold bezel; sapphire crystal (front and back); water-resistant to 50 meters.

Movement: RM64-01 caliber; in-house manual-winding tourbillon; grade 5 titanium skeletonized case back and bridges; 33.00 x 30.80 x 6.28 mm; 19 jewels; frequency 21,600 vibrations per hour (3 Hz); power reserve 65 hours.

Dial: Skeletonized; 5N red gold bezel with luminous dot hour markers; custom red gold and white hands with luminous tips.

Strap: One-piece white rubber strap with perforations.

Reference Number: RM 64-01 Tourbillon Colnago