The partnership between Louis Erard and Vianney Halter has once again produced a timepiece that commands attention, not merely for its design but for the entire concept surrounding its release. Le Régulateur II builds upon the foundation of their initial collaboration, presenting a watch that feels both familiar and distinctly new. This second chapter shifts the aesthetic to a sharp, monochrome palette, allowing the unique architecture of the dial and case to take center stage. It’s a piece that demonstrates how a strong design language can be reinterpreted to create a fresh yet coherent statement.
Louis Erard, a brand established in the Swiss Jura in 1929, has undergone a significant transformation in recent years. Under the direction of Manuel Emch, the company has carved out a specific niche for itself by championing accessible mechanical watchmaking with a strong design focus. Rather than competing in crowded market segments, Louis Erard has pivoted towards a strategy of collaboration, inviting independent watchmakers and designers to impart their vision onto the brand's core platforms. This approach has not only revitalized the brand's image but has also introduced a new audience to horological concepts and creators they might not have otherwise encountered.

Courtesy of Louis Erard
The brand's history is rooted in solid, traditional Swiss watchmaking, but its modern identity is defined by this spirit of partnership. By working with figures like Alain Silberstein and Konstantin Chaykin, Louis Erard acts as a canvas, democratizing high-concept design that is typically the preserve of much more expensive, low-volume production. Their focus on the regulator complication is a key part of this identity, using a historically significant layout as a signature element that is both visually distinct and mechanically interesting, all while maintaining a price point that remains within reach for many enthusiasts.
On the other side of this collaboration is Vianney Halter, a figure who stands as a titan in the world of independent watchmaking. Since establishing himself in 1984, Halter has been a creative force, consistently challenging the conventions of watch design. He is often credited as one of the pioneers of the "steampunk" aesthetic in horology, drawing inspiration from science fiction, nautical instruments, and the speculative inventions of authors like Jules Verne. His work is characterized by a "Future-Past" ethos, blending archaic forms and materials with a forward-thinking approach to mechanics and presentation.
Halter's creations are anything but conventional. His most famous piece, the Antiqua, released in 1998, looked like an instrument salvaged from Captain Nemo's Nautilus, with its riveted porthole-style subdials. It was a piece that broke entirely with the restrained designs of the era and helped pave the way for the bold, architectural watchmaking that would flourish in the 21st century. His approach is deeply personal and uncompromising, making his collaboration with a more accessible brand like Louis Erard a fascinating study in creative synergy. He brings a distinct and powerful design DNA that is instantly recognizable.
Le Régulateur II immediately distinguishes itself from its predecessor with a new silver monochrome dial. This change creates a more industrial and technical feel, where texture and form become the primary focus. The dial base features a fine vertical satin-brushed finish, which contrasts with the circular satin brushing on the chapter ring and the two counter rings for the hours and seconds. This interplay of linear and circular patterns creates a subtle dynamism, catching light in different ways as the watch moves. The chamfers of the rings are diamond-polished, adding sharp, reflective highlights that frame each section of the display.

Courtesy of Louis Erard
The layout is a classic regulator, a complication with historical roots in precision timekeeping. Originally used as master clocks in observatories, regulators separate the time indications to prioritize the minute hand for the most accurate reading. Here, a large, central hand sweeps the main dial to indicate the minutes. The hours are displayed in a subdial at the upper portion of the dial, near the 11 o'clock position, while the running seconds are shown in a corresponding subdial at the bottom, near 5 o'clock. This asymmetrical arrangement is a hallmark of the regulator and is executed here with a clear sense of balance and proportion.
A defining feature of this watch, carried over from Halter's personal designs, is the signature hands. Forged from blued steel, their vibrant, electric blue provides a stark and beautiful contrast against the cool silver tones of the dial. The shape of the hands is unique, resembling the nib of a fountain pen with a sharp, tapering point and a circular base. This design is not only visually striking but also highly legible, allowing the wearer to read the time at a glance. The central minute hand is long and slender, reaching precisely to the minute track, while the smaller hour and second hands are perfectly scaled to their respective subdials.
The case of Le Régulateur II is a significant part of its character, serving as the robust frame for the intricate dial. Measuring 43 mm in diameter, it has a substantial presence on the wrist, yet its design is carefully considered. The case construction features a mix of polished and circular satin-brushed surfaces, adding to the visual depth. The most prominent feature is the bezel, which is secured with twelve polished red-gilt 5N rivets. These rivets are a direct nod to Halter's steampunk aesthetic, evoking the portholes of early submersibles and scientific instruments.

Courtesy of Louis Erard
Furthering this industrial-inspired design is the crown, which is offset to the 2 o'clock position. This placement is not only a unique visual touch but can also improve wrist comfort by preventing the crown from digging into the back of the hand. The crown itself is a piece of micro-engineering, featuring 24 red-gilt rivets that provide a tactile grip and tie it visually to the bezel. The overall case shape, with its strong lugs and thoughtfully applied finishes, feels both purposeful and highly stylized.
What truly sets this release apart is its distribution model. Instead of a standard global launch, Louis Erard and Vianney Halter have embarked on a "World Tour." The main monochrome edition, limited to 178 pieces, is available worldwide. However, an additional series of micro-editions are being released exclusively in specific cities. This strategy transforms the watch launch from a simple commercial transaction into a series of engaging events, creating a sense of community and excitement in different markets around the world.
Each stop on the World Tour features a unique version of the watch, distinguished by a different color for the seconds hand. For instance, the Takamatsu edition has a rhodium hand, Bangkok's is anthracite, Hong Kong's is purple, and Singapore's is red-gilded. This small but significant change gives each city's edition a distinct personality. To further enhance their exclusivity, the case backs are engraved with Vianney Halter's motto, "Live long and prosper," translated into the local language for certain locations. This approach encourages collectibility and makes each version a specific memento of a place and time.
Powering the watch is the Sellita caliber SW266-1, an automatic regulator movement. This choice is in keeping with Louis Erard's philosophy of using reliable, proven calibers to ensure performance and serviceability while keeping the final price accessible. The movement operates at a frequency of 28,800 vibrations per hour (4Hz) and provides a power reserve of approximately 38 hours. Visible through a sapphire exhibition case back, the movement is decorated and features a special openworked oscillating weight, adorned with a black lacquered Louis Erard symbol, which adds a touch of customization to the otherwise industrial caliber.

Courtesy of Louis Erard
The view from the back reveals the "Limited Edition 1 of 178" engraving, a clear reminder of the scarcity of the piece. The choice of the SW266-1 allows the focus to remain on the external design and the unique collaboration itself. It is a workhorse engine for a watch that is meant to be worn and enjoyed, providing dependable timekeeping without the preciousness or service complexities of a more esoteric in-house movement.
The watch is fitted with a dark blue grained calf leather strap that perfectly complements the blued steel hands. The texture of the leather adds another layer of detail to the overall presentation, and its deep blue hue provides a rich counterpoint to the metallic case and dial. The strap features tone-on-tone stitching for a clean look and is equipped with functional quick-release spring bars, allowing the owner to easily change straps without tools. It secures to the wrist with a polished stainless steel pin buckle.
This collaboration is a masterful blend of two distinct horological philosophies. Vianney Halter brings his uncompromising, avant-garde vision, a style born from the freedom of independent creation where artistry is paramount. His design cues—the rivets, the hands, the specific font—are all part of a language he has developed over decades. They are not arbitrary decorations but integral parts of his worldview, infused with a sense of wonder and mechanical romanticism.
Meanwhile, Louis Erard, guided by Manuel Emch, provides the platform, the industrial know-how, and the market strategy to bring this vision to a broader audience. The "World Tour" concept is a reflection of Emch's modern approach to the watch business, treating limited editions like sneaker drops to generate hype and direct engagement with the community. It’s a savvy strategy that acknowledges that in today's market, the story and the experience of acquiring a watch are as important as the object itself.

Courtesy of Louis Erard
The end result is a timepiece that feels special on multiple levels. It is a piece of wearable art with a clear and respected design heritage. The monochrome dial is a canvas for an incredible play of light and shadow, with the different finishes creating a sense of depth and complexity that belies its lack of color. The blued hands and red-gilded rivets provide just enough contrast to make the design pop, drawing the eye to the key details that define its character.
With a recommended retail price of CHF 4,500, Le Régulateur II continues Louis Erard's mission of offering exceptional value. The limited availability, with only 178 pieces of the main edition and small handfuls of the city-specific versions, ensures a high degree of exclusivity. The "hunt" for a specific city's edition adds an element of adventure to the acquisition process, making the watch more than just a purchase, but the culmination of an experience. It is a clever and engaging way to launch a product in an industry that often relies on more traditional methods.
Case: Polished and circular satin-brushed stainless steel, Ø43 mm, 10.95 mm thickness, 49.60 mm lug-to-lug, 22 mm lug width. Sapphire crystal with anti-reflective treatment on both sides, transparent caseback. Water-resistant to 50 m. Bezel features 12 polished red-gilt 5N rivets. Vianney Halter signature crown at 2 o'clock with 24 red-gilt 5N rivets.
Movement: Automatic regulator Sellita caliber SW266-1. 31 jewels, 28,800 VpH (4Hz), approximately 38 hours of power reserve. Features a special openworked oscillating weight with a black lacquered Louis Erard symbol. Functions include hours at 11 o'clock, central minutes, and seconds at 5 o'clock.
Dial: Rhodium-plated base with a vertical satin-brushed finish; chapter and counter rings are circular satin-brushed with diamond-polished chamfers. Features black transfers and Vianney Halter signature hands in blued steel.
Strap: Dark blue grained calf leather strap with tone-on-tone stitching and quick-change ergot bars. Polished stainless steel pin buckle. Strap dimensions are 22/20mm width and 80/115mm length.
Price: CHF 4,500
Reference Number: 85246AA01.BVA180
Notes: A limited edition of 178 pieces worldwide. A separate series of micro-editions are being released on a "World Tour," with each city drop featuring a unique seconds hand color and a custom case back engraving.