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Arnold & Son Perpetual Moon 41.5 Red Gold – Cliff Grey Edition

JUNE 24 2025    |    Novelties

Arnold & Son unveils the Perpetual Moon 41.5 Cliff Grey Edition, a poetic tribute to the cliffs of Cornwall and the legacy of John Arnold, the renowned marine chronometer-maker. This limited edition of 28 pieces in 18-carat red gold reflects the brand’s deep connection to celestial navigation and English heritage.

The dial is adorned with the exclusive Stellar Rays motif, a textured pattern that plays with light through layered transparent lacquer. Its Cliff Grey tone evokes the misty British coastline, while the moon phase display—among the largest in watchmaking—glows in mother-of-pearl enhanced with Super-LumiNova. Set against a midnight-blue sky, the moon is surrounded by hand-painted constellations, Ursa Major and Cassiopeia, symbols of guidance and exploration.

The case, measuring 41.5 mm in diameter, is sculpted with refined lugs and a slim bezel that opens up the dial to its full celestial display. On the reverse, a secondary moon-phase indicator allows for precise adjustment of the moon’s age.

Inside, the manually wound A&S1512 calibre offers a 90-hour power reserve and tracks lunar cycles with remarkable precision. So accurate is its mechanism that it would take 122 years of continuous operation to accumulate a single day’s deviation from the actual lunar cycle.

Crafted entirely in-house in La Chaux-de-Fonds, the movement is finished with Geneva stripes, blued screws, and circular graining. The watch is completed with a warm grey alligator leather strap and a matching red gold pin buckle.

The Cliff Grey Edition is a refined expression of Arnold & Son’s dedication to craftsmanship, astronomy, and timeless design.

 

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Arnold & Son 41.5mm Cliff Gray

Perpetual Moon 41.5 Red Gold – Cliff Grey Edition

Technical Specifications

Functions hours, minutes, astronomical moon phase, second moon-phase indicator on the case back
Movement Calibre: A&S1512, mechanical with manual winding
Jewels: 27
Diameter: 34 mm
Thickness: 5.35 mm
Power reserve: 90 hours
Frequency: 3 Hz / 21,600 vph
Decoration:
- Main plate: rhodium-plated, radiating Côtes de Genève stripes
- Bridges: polished and chamfered
- Wheels: circular satin-finished
- Screws: blued and chamfered, polished heads
- second moon-phase indicator: rhodium-plated and circular graining
Dial Stellar Rays decoration, “Cliff Grey” PVD
Moon phases - Sky: midnight blue PVD, grained
- Moons: mother-of-pearl with added Super-LumiNova, hand-painted details
- Constellations: with added Super-LumiNova, hand-painted details
Case Material: 18-carat red gold (5N)
Diameter: 41.5 mm
Thickness: 11.30 mm
Crystal: Domed sapphire, double-sided anti-reflective coating
Case back: Sapphire crystal, anti-reflective coating
Water-resistance: 3 bar (30 metres / 100 feet)
Strap Material: warm grey alligator leather, hand-stitched
Clasp: prong buckle, 18-carat red gold (5N)
References 1GLBR.N01A.C0246A
Edition 28 pieces

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MARCH 17 2026    |    Novelties

Greubel Forsey Unveils Final Editions of the Balancier Convexe S² in White and Black Ceramic

Greubel Forsey introduces the final and most exclusive editions of the Balancier Convexe S²: one in black ceramic with 5N red gold, and one in white ceramic, each strictly limited to 11 pieces.
These editions conclude a calibre developed through five years of mechanical and architectural exploration, with production set to cease permanently in 2026.

The Convexe case (41.5 mm) and movement were conceived as a single architectural whole, integrating Greubel Forsey’s signature 30° inclined balance wheel system as the visual and chronometric centre. The openworked movement features 301 components, including a 68‑part escapement platform, and is 
powered by two rapid-rotation coaxial barrels delivering a 72‑hour chronometric reserve.

Finishing remains uncompromising: frosted titanium bridges, polished bevels, hand‑finished countersinks, and meticulous transitions — even on invisible components.

Two Final Interpretations
Black Ceramic & 5N Red Gold
A dramatic contrast of dark architecture framed by ceramic, with red gold adding warmth and sculptural depth.The interplay of matte and polished surfaces enhances the piece’s three‑dimensional form

White Ceramic
A purist, graphic expression that highlights the structural geometry of the movement through light and shadow.The monochromatic case offers clarity, openness and a distinctly technical aesthetic.

Both editions preserve the characteristic S² display: suspended hours/minutes bridge, small seconds, and sector power‑reserve indication beneath a curved sapphire crystal.

This launch marks the concluding chapter of the Balancier Convexe S²’s five‑year evolution — not an iteration, but a final statement. As of 2026, Greubel Forsey will begin a gradual shift toward an almost entirely new collection, retiring earlier calibres with intention and ceremony rather than quiet discontinuation.

 

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NOVEMBER 19 2025    |    Novelties

DANIEL ROTH Unveils Tourbillon Platinum: A Masterpiece of Horological Revival

DANIEL ROTH proudly presents the Tourbillon Platinum, a timepiece that pays homage to the brand’s rich heritage and its founder’s enduring passion for the tourbillon complication. This exceptional creation is inspired by the 1988 reference C187 and reinterprets it with modern refinement, artisanal craftsmanship, and a noble platinum case.

The signature double-ellipse case, now crafted in platinum, measures 38.6 x 35.5 mm and is just 9.2 mm thick. It houses a hand-guilloché dial made of solid white gold, finished in anthracite and accented with a sterling silver chapter ring. The dial’s linear guilloché pattern is executed by a single Maître Guillocheur over three days, reflecting the brand’s commitment to traditional métiers d’art.

Inside beats the DR001 calibre, a manually wound movement developed by Michel Navas and Enrico Barbasini at La Fabrique du Temps Louis Vuitton. Comprising 206 components, it offers an 80-hour power reserve and operates at 3Hz. The movement is entirely hand-finished, including hidden components, and features a triple-arm seconds hand—a nod to Daniel Roth’s original design language.

The Tourbillon Platinum is the third model in the brand’s rebirth, following the Tourbillon Souscription and the rose gold edition. It offers a more contemporary aesthetic while remaining faithful to the brand’s DNA of mechanical excellence and elegant restraint.

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JULY 03 2026    |    Novelties

PULSE GMT Frosted Guilloche Gold: A Masterclass in Modern Mechanical Craftsmanship

Chronoswiss has officially introduced the Pulse GMT Frosted Guilloche Gold, a striking new expression of modern travel time created in its Atelier Lucerne. Housed in a beautifully sculpted 41mm 18ct (5N) gold case, this timepiece seamlessly brings precious materials into the bold, architectural world of the Pulse design family. Redefining the brand’s classic codes with a sharper, sportier attitude, the watch features Chronoswiss’s iconic onion crown, a partially knurled coin-edge bezel, and an exclusive new integrated black rubber strap. This exclusive, modern masterpiece is strictly limited to just 50 pieces worldwide.

At the heart of this timepiece is an innovative, three-dimensional dial that showcases a revolutionary take on a traditional decorative art. For the first time, a hand-guilloché brass surface is refined using a highly precise sandblasting process that directs ultra-fine synthetic corundum particles onto the dial. The result is a shimmering, frosted finish that transforms the geometric guilloché pattern into a crystalline landscape of light and depth. This contemporary backdrop is beautifully contrasted by polished, blue PVD-coated appliques, blued steel screws, and polished, blued steel hands in the brand's signature "Pyramid" shape.

Powering the watch is the Chronoswiss Manufacture Caliber C.6002, an automatic movement developed in partnership with La Joux-Perret that offers a 55-hour power reserve. Designed specifically for global travelers, the movement features a dedicated dual-time-zone module; home time is tracked on a 12-hour disc at 3 o'clock, a second time zone is displayed via a 24-hour GMT disc at 9 o'clock, and central hands sweep the dial to indicate minutes and seconds. The exquisite inner workings of the caliber are visible through a sapphire crystal case back, revealing a skeletonized tungsten rotor, polished escape wheels, and a ruthenium-plated bridge finished with a classic Geneva cut.

The solid 26-piece gold case, weighing 48 grams, balances satin-finished and sandblasted textures with a partly polished bezel, offering 5 bar (50 meters) of water resistance. Secured to the wrist by a black integrated rubber strap and a matching black DLC-coated stainless steel and 5N gold buckle, the watch represents the ultimate expression of the brand’s "Modern Mechanical" philosophy. By contrasting traditional luxury with high-functioning, contemporary materials, the Pulse GMT Frosted Guilloche Gold is engineered as a sophisticated mechanical companion for an ever-moving world.

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APRIL 01 2025    |    Novelties

A Star Fragment, Guardian of Time: The Grand Planetarium Eccentric Meteorite

Time and space converge in the latest masterpiece of haute horlogerie: the Grand Planetarium Eccentric Meteorite. This extraordinary timepiece is crafted from a genuine meteorite fragment—once part of an asteroid’s core, drifting through space for billions of years before falling to Earth 50,000 years ago. Now, this celestial relic has been transformed into an exceptional watch, uniting cosmic heritage with unparalleled horological innovation.

At the heart of this timepiece lies a groundbreaking complication: the Eccentric Planetarium, the only mechanical Grand Planetary Complication in the world that accurately displays all eight planets—Mercury, Venus, Earth and her Moon, Mars, Jupiter, Saturn, Uranus, and Neptune—moving in real time around the Sun. This breathtaking mechanism captures the celestial dance of our Solar System with unmatched precision, making it a true marvel of both astronomy and watchmaking.

A Celestial Fusion of Science and Art
Master watchmaker Pim Koeslag has meticulously sculpted this timepiece, ensuring that its construction reflects the grandeur of its cosmic origins. The meteorite case, weighing 47 grams, is carefully crafted out of a 1.09 kg space stone. This extraordinary material shaped by the universe itself, features a unique Widmanstätten pattern, formed over millions of years of slow cooling in space, making each case truly one of a kind.

The dial is a celestial spectacle in itself: crafted from aventurine glass (goldfluss), it mimics the night sky, complete with zodiac constellations. The Eccentric Planetarium features hand-painted planetary orbits, while the meteorite dial ring, set between Mars and Jupiter, signifies the asteroid belt and contains real fragments of a martian nakhlite meteorite —a piece of another world encased within this exceptional timepiece.


A Timepiece Beyond Time
Encased in domed sapphire crystal, the 44mm meteorite case showcases the celestial ballet within. The sapphire crystal case-back reveals the movement’s intricate craftsmanship, while the dark blue hand-stitched leather strap and platinum folding clasp complete this cosmic masterpiece.

“The Grand Planetarium Eccentric Meteorite is more than a watch. It is a link between humanity and the cosmos, a way to wear the universe on your wrist,” says Pim Koeslag.

This timepiece is a tribute to time itself. From a star’s death to an asteroid’s journey, from its fall to Earth to its transformation into an exceptional watch—each second it measures is an echo of the vast cosmic history it carries.

An Exclusive, Limited Edition for Collectors
The Grand Planetarium Eccentric Meteorite is available in a strictly limited edition, with a maximum of 3 pieces, depending on the avaibility and quality of the rough meteorite material. So far, Christiaan van der Klaauw has been able to produce only 2 pieces from the available material, making this timepiece an exceptionally rare collector’s item. This extraordinary creation offers the unique opportunity to own a fragment of a star, forever marking the passage of time.

About Christiaan van der Klaauw
Christiaan van der Klaauw is one of the most prestigious watchmaking houses in the Netherlands, specializing in astronomical watches. Founded in 1974, the brand has distinguished itself by its ability to integrate astronomical complications innovatively and artistically into high-precision timepieces. The Grand Planetarium eccentric model is one of its most iconic Grande Complication, representing the quintessence of art and science.

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