In a significant stride for its celebrated space-faring watch line, Swiss manufacturer Fortis has unveiled the Novonaut N-42 Halo Editions, a collection that pushes the boundaries of visibility and mechanical refinement. Building upon the robust foundation of the 2023 Novonaut N-42, these new iterations are distinguished by their revolutionary, fully luminous Lumicast dials, striking high-contrast panda layouts in three distinct colorways, and an enhanced, space-tested Calibre Werk 17 TR movement. This release marks a pivotal moment in Fortis’s ongoing commitment to innovation, particularly in the realm of chronographs designed for the rigors of space exploration and demanding terrestrial environments.
A Legacy Forged in Space: The Evolution of the Fortis Cosmonaut Chronograph
The narrative of the Novonaut collection is deeply intertwined with the storied history of Fortis’s iconic B-42 Official Cosmonauts Chronograph. This timepiece has long been synonymous with space missions, having served as standard equipment for cosmonauts through a significant period of collaboration with Roscosmos, the Russian Space Agency. The first Fortis Cosmonaut watch embarked on its celestial journey in 1994, coinciding with Russia’s operation of the MIR space station. A decade later, a second iteration was meticulously designed for Roscosmos, specifically to accompany missions aboard the International Space Station (ISS), following MIR’s decommissioning.
While geopolitical shifts have led to a discontinuation of direct cooperation with the Russian agency, the spirit of the space chronograph endured. This legacy resurfaced in 2023 with the introduction of the Novonaut collection. The original Novonaut N-42 was conceived as a bold, ultra-robust chronograph, ingeniously blending the timeless aesthetic of the B-42 with design advancements previously seen in Fortis’s Flieger and Stratoliner collections. More than just a watch, it was envisioned as a true instrument, powered by the Calibre Werk 17. This sophisticated movement, an upgraded iteration of the renowned Valjoux 7750, underwent rigorous space-testing, validating its performance under the extreme conditions of orbit.

The Novonaut N-42 Halo Editions: Illuminating the Cosmos
The latest iteration, the Novonaut N-42 Halo Editions, elevates the collection’s utilitarian appeal with a focus on unparalleled visibility and refined aesthetics. Departing from the single-tone black or blue dials of the initial Novonaut models, these three new versions are designed to not only command attention in low-light conditions but also to offer exceptional legibility during daylight hours. The result is a series of timepieces that are simultaneously less conventional, more visually arresting, and undeniably mission-ready.
The physical architecture of the Novonaut N-42 remains consistent across the Halo Editions, embodying Fortis’s dedication to robust design. Each watch features a substantial 42mm diameter case, a 15mm thickness, and an impressive 51mm lug-to-lug measurement. These dimensions underscore the watch’s purpose as a substantial and reliable instrument on the wrist. Constructed from recycled stainless steel and finished with a meticulous brushing, the case weighs approximately 115 grams (head only), conveying a sense of solid engineering.
Durability is paramount, with a 200-meter water resistance rating, a strap secured by a robust screw-pin system, and reinforced FKM gaskets that ensure reliable performance even when submerged. The prominent sapphire crystal atop the dial is treated with an anti-reflective coating, further enhancing legibility. A screw-down crown, incorporating a triple-gasket system, adds another layer of protection, solidifying the Novonaut N-42 Halo Editions as timepieces engineered to withstand significant challenges, far beyond the requirements of mere timekeeping.
The "Sirius Bezel" and Color Palette: A Fusion of Function and Style
A distinctive feature inherited from its space-oriented sibling, the Stratoliner, is the Novonaut N-42’s bi-directional bezel. The brand has christened this element the "Sirius Bezel," a nod to its celestial inspiration. This bezel is fully luminous, featuring a complete 60-minute scale, ensuring crucial timing functions are visible in any light. The Halo Editions introduce three distinct color options for the polished ceramic insert of the Sirius Bezel: black, blue, and green. These color choices are echoed throughout the watch, offering a cohesive and striking visual experience.

Complementing the bezel and case are the new hybrid straps. Crafted from a blend of FKM rubber and textile, these straps are available in colors that perfectly match the bezel inserts – blue, green, or black. This combination offers a slightly more casual aesthetic compared to the steel bracelet option found on the classic Novonaut editions, broadening the appeal of the collection to a wider range of wearers and occasions. The straps are secured with a steel pin buckle, maintaining the watch’s robust and functional character.
A Dial That Shines: Lumicast X1 Technology Takes Center Stage
The most transformative aspect of the Novonaut N-42 Halo Editions lies undoubtedly within their dials. While the fundamental layout and functional sub-dials remain unchanged from previous iterations, these new models introduce a captivating high-contrast panda-style configuration. This design features a primary white dial base, accented by sub-dials, day-date discs, Arabic numerals, and an inner countdown flange in either blue, green, or black.
However, the true magic of the Halo Editions is revealed when the lights dim. The white dial base is ingeniously constructed from Lumicast X1, a cutting-edge material that renders the entire dial luminous. This innovative approach creates a negative contrast effect for all the colored elements, ensuring that the numerals, hands, and sub-dial markers glow with an intense, ethereal light. Fortis asserts that this represents its most luminous watch to date, a claim that speaks volumes about the material’s performance. The blackened hands, including the distinctive bull’s-eye seconds hand, are also generously filled with Super-LumiNova X1, further enhancing legibility in the darkest environments. This commitment to luminosity transforms the watch from a mere timekeeping instrument into a beacon, vital for critical operations where visibility is non-negotiable.
Mechanical Excellence: The Enhanced Calibre Werk 17 TR
Beyond the dazzling aesthetics, the Novonaut N-42 Halo Editions benefit from significant mechanical advancements. At their heart beats the new Werk 17 TR movement, an evolved version of the already impressive Werk 17. This latest iteration, developed in collaboration with La Joux-Perret, boasts increased power and enhanced stability, crucial for a watch designed for extreme environments.

The Werk 17 TR is built upon the robust architecture of the Valjoux 7750, a testament to Fortis’s strategic approach to leveraging proven mechanical foundations. However, it incorporates several critical upgrades that set it apart. Foremost among these is its column-wheel chronograph mechanism, a feature often associated with higher-end chronographs due to its superior feel and precise actuation compared to cam-actuated systems.
Fortis has placed a particular emphasis on shock resistance in the development of this movement, a consideration amplified in the TR update. The bridges have undergone a redesign and reinforcement, and the balance bridge is now secured at two points. This dual-point anchoring provides significantly greater stability and resistance to vibration for the regulating organ, the heart of the watch’s accuracy.
Further enhancing its resilience and precision, the Werk 17 TR features a free-sprung variable inertia balance. This advanced system allows for rate adjustments via mass screws directly on the balance wheel, a method that is less susceptible to shocks and positional variations than traditional index regulators. Consequently, the movement maintains a more consistent performance, a critical factor for missions where precise timing is paramount. Adding to its practical utility, the power reserve has been extended from the previous 60 hours to an impressive 70 hours, offering extended operational capability between winding cycles. This comprehensive upgrade underscores Fortis’s dedication to pushing the envelope of mechanical watchmaking for professional applications.
Availability and Pricing: A Commitment to the Permanent Collection
The Fortis Novonaut N-42 Halo Editions, representing a harmonious blend of advanced luminescent technology, striking high-contrast designs, and a refined, space-tested chronograph movement, are now available as part of Fortis’s permanent collection. This strategic decision ensures that these groundbreaking timepieces are accessible to enthusiasts and professionals alike, solidifying their place in the brand’s ongoing narrative of innovation.

Each of the three editions – the black, blue, and green variants – is priced at EUR 5,950, CHF 5,450, or USD 5,950. This pricing reflects the significant technological advancements, the use of premium materials like Lumicast X1 and ceramic, and the robust, upgraded mechanical movement. For those seeking a timepiece that embodies the spirit of adventure, precision, and unparalleled visibility, the Novonaut N-42 Halo Editions present a compelling proposition.
Technical Specifications: Fortis Novonaut N-42 Halo Edition
Case:
- Diameter: 42mm
- Thickness: 15mm
- Lug-to-lug: 51mm
- Material: Recycled stainless steel, brushed finish
- Bezel: Bi-directional "Sirius Bezel" with 60-minute scale and numerals coated in Super-LumiNova. Available with polished blue, green, or black ceramic insert.
- Crystal: Sapphire with anti-reflective coating
- Crown: Screw-down with triple gasket system
- Caseback: Sapphire with metallised logo
- Water Resistance: 200 meters
- Weight: 115 grams (watch head only)
Dial:
- Base Material: Entirely made from Lumicast X1 for full luminosity.
- Sub-dials: Contrasting snailed chronograph counters in blue, green, or black.
- Hands: Blackened with Super-LumiNova X1 application.
- Accents: Printed Arabic numerals, day-date discs, and inner flange in matching blue, green, or black.
Movement:

- Calibre: Werk 17 TR (new, upgraded version)
- Origin: Developed by La Joux-Perret for Fortis, space-tested.
- Type: Automatic integrated column-wheel chronograph (evolved from Valjoux 7750 architecture).
- Features: Specifically reinforced for shock resistance, 28,800 vibrations/hour, 70-hour power reserve, free-sprung variable inertia regulation system, two-point secured balance bridge.
- Functions: Hours, minutes, small seconds, chronograph, day-date.
Strap:
- Type: Hybrid strap made from FKM rubber and textile.
- Colors: Available in blue, green, or black, matching bezel and dial accents.
- Attachment: Screw pin mounting system.
- Buckle: Steel pin buckle.
References:
- F2040021: Black Halo Edition
- F2040022: Blue Halo Edition
- F2040023: Green Halo Edition
Availability:
- Immediate. Part of the permanent collection.
Price:

- EUR 5,950
- CHF 5,450
- USD 5,950
For further details and inquiries, interested parties are encouraged to visit the official Fortis website at www.fortis-swiss.com.