The Astronic NightHawk Co-Axial Tourbillon is a modern mechanical sports watch inspired by the angular architecture of the legendary F-117 Nighthawk stealth fighter. Developed as a more accessible interpretation of haute horlogerie complications, the model combines a flying tourbillon movement with aggressive military-inspired styling and contemporary materials.
What makes the watch particularly interesting is the balance between visual impact and technical ambition. Astronic integrates a manually wound 3D co-axial flying tourbillon, sapphire crystal protection, 100-meter water resistance, and a fully integrated steel bracelet into a package positioned far below the price range usually associated with tourbillon watches. The result is a bold contemporary piece designed for enthusiasts interested in mechanical spectacle and tactical-inspired aesthetics.
Design
The Astronic NightHawk Co-Axial immediately stands out through its sharp geometric architecture and integrated construction. The stainless steel case features a faceted silhouette inspired by stealth aircraft surfaces, with multiple angular transitions that create a distinctly technical appearance. Its black gunmetal-style IP coating reinforces the military aviation identity, while contrasting red accents introduce visual energy throughout the dial and bezel structure.
The bezel is fixed and heavily segmented, secured visually by exposed screw details that strengthen the industrial character of the watch. Matte and textured surfaces alternate with brushed sections, producing subtle depth without relying on polished luxury-oriented finishes. The overall design language remains aggressive yet coherent, with every element contributing to the tactical aviation theme.
The dial adopts an openworked multilayer layout dominated by the large flying tourbillon positioned at 6 o’clock. Hexagonal textures, bridge-like structures, and cockpit-inspired details create the impression of an instrument panel from a modern fighter jet. At 12 o’clock, the power reserve indicator resembles an onboard aviation gauge, framed by angular metallic architecture and highlighted with red and yellow accents.
Red sword-style hands provide strong contrast against the predominantly black and gray background, while luminous Swiss RC Tritec material improves low-light visibility. The sapphire crystal includes anti-reflective treatment that enhances dial clarity and preserves the technical complexity of the openworked display.
Completing the design is an integrated stainless steel bracelet with matching stealth-inspired surface patterns. The bracelet visually extends the geometry of the case, creating a continuous angular profile that strengthens the futuristic military identity of the watch.
Case & Construction
The Astronic NightHawk Co-Axial features a 316L stainless steel case measuring approximately 44.5 mm in diameter and around 13.7 mm in thickness. Lug-to-lug distance is approximately 52.8 mm, giving the watch a substantial wrist presence consistent with modern sports-tourbillon designs.
The case is coated with an AA-grade IP-Black treatment combined with a multilayer anti-fingerprint finish that reinforces the matte tactical appearance while helping reduce visible wear during everyday use. Structural rigidity is supported by the integrated bracelet architecture and the angular multi-surface case construction.
A sapphire crystal with multilayer anti-reflective coating protects the dial, while the screw-down crown incorporates a dual O-ring sealing system designed to improve water resistance. Unlike many delicate haute horlogerie tourbillons, the NightHawk is rated to 100 meters (10 ATM), making it considerably more versatile than most traditional tourbillon watches in this price segment.
The caseback contributes to overall structural solidity, while the integrated bracelet uses a concealed double-push-button clasp system and quick-release functionality for easier strap management.
Movement
Inside this Astronic NightHawk is the proprietary AST-01 caliber movement, a manually wound mechanical movement equipped with a 3D co-axial flying tourbillon architecture. The movement operates at 21,600 vibrations per hour (3 Hz) and delivers approximately 42 hours of power reserve.
The caliber uses a flying tourbillon configuration, meaning the rotating cage is supported only from the lower side without an upper bridge obstructing the view. This construction allows a clearer visual presentation of the escapement while emphasizing the suspended appearance of the mechanism at 6 o’clock. The co-axial arrangement positions the balance assembly and rotating structure along the same central axis, helping reduce overall thickness while maintaining mechanical stability.
Astronic positions the movement as part of its strategy to democratize traditionally high-cost complications. While the AST-01 is not intended to compete directly with ultra-high-end Swiss haute horlogerie tourbillons, it offers enthusiasts access to complex mechanical architecture at a significantly lower price point.
The movement does not feature hacking seconds functionality, remaining closer to traditional manually wound mechanical construction philosophies. Its visual presentation and exposed architecture are central components of the overall ownership experience.
Functions & Complications
The Astronic NightHawk Co-Axial Tourbillon focuses on mechanical complexity rather than multifunction utility. The watch displays central hours and minutes alongside the prominent flying tourbillon complication positioned at 6 o’clock.
A 240-degree power reserve indicator located at 12 o’clock provides a practical visual reference for the remaining energy stored within the manually wound movement. The layout resembles aviation cockpit instrumentation, reinforcing the military aircraft inspiration behind the design.
The flying tourbillon itself remains the centerpiece of the watch. Originally developed to improve positional accuracy in pocket watches, the complication now serves both technical and visual purposes, showcasing the rotating escapement through the openworked lower dial architecture.
Swiss RC Tritec luminous material is applied to key elements of the dial and hands, improving nighttime readability while preserving the tactical black-and-red aesthetic.
Performance
On the wrist, the Astronic NightHawk delivers a substantial and modern sports-watch presence. The 44.5 mm case dimensions and integrated bracelet give the watch a bold stance, though the angular lugs and relatively controlled thickness help distribute weight evenly across the wrist.
Legibility remains surprisingly effective considering the skeletonized dial layout. The strong contrast created by the red hands, dark background, and luminous accents improves readability under most lighting conditions. Anti-reflective sapphire treatment also reduces glare and helps maintain dial visibility.
The 100-meter water resistance significantly improves practicality compared to many traditional tourbillon watches, making the model suitable for everyday wear rather than purely formal or collector-oriented use. The integrated bracelet construction contributes to overall stability and comfort, while the textured surfaces help minimize visible fingerprints and scratches during regular use.
This model is best suited for enthusiasts who appreciate contemporary mechanical design, aviation-inspired styling, and visually exposed complications.
Technical Data
Brand: Astronic Watches;
Model: Astronic NightHawk Co-Axial Tourbillon (Ref. STL-117B-RE);
Year: 2021;
Case Material: 316L Stainless Steel with IP-Black Coating;
Case Diameter: 44.5 mm;
Case Thickness: 13.7 mm;
Lug Width: Integrated Bracelet;
Lug to Lug: 52.8 mm.
Crystal: Sapphire Crystal with Anti-Reflective Coating;
Water Resistance: 100 m / 330 ft (10 ATM);
Power Reserve: ~42 Hours;
Movement: Manual Mechanical Watches – Astronic AST-01 Co-Axial Flying Tourbillon (Chinese Movement);
Functions: Hours, Minutes, Manual Winding, Power Reserve Indicator;
Complications: Flying Tourbillon, 240° Power Reserve Display, Openworked Dial Architecture;
Bracelet / Strap: Integrated Stainless Steel Bracelet with Concealed Double-Push Clasp;
Type: Military Watches, Pilot Watches, Skeleton Watches, Sports Watches, Tourbillon Watches;
Sex: Men’s Watches;
Nationality: Chinese Watches.
Retail Price (Launch): €1,850 / $2,000.
The Astronic NightHawk Co-Axial Tourbillon reflects a growing trend in contemporary watchmaking: combining traditionally exclusive complications with modern industrial design and more accessible pricing strategies. Its F-117 stealth fighter inspiration gives the watch a strong tactical identity that separates it from more classical tourbillon designs typically associated with dress-oriented haute horlogerie.
Astronic focuses heavily on visual engineering, integrating aviation references, angular architecture, and exposed mechanics into a cohesive contemporary sports watch. The combination of a flying tourbillon, integrated bracelet, 100-meter water resistance, and aggressive military styling creates a distinctive niche within the accessible luxury segment.
For enthusiasts interested in mechanical spectacle, modern aviation-inspired aesthetics, and unconventional sports-tourbillon watches, the NightHawk offers a notably different approach compared to traditional Swiss luxury competitors.
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