In 2024, German watchmaker Hanhart, renowned for its rich heritage in pilot’s watches, expanded its horological horizons with the introduction of the Aquasphere, a robust dive watch that masterfully blended exceptional specifications with the brand’s signature design ethos. Building upon this successful debut, Hanhart has now unveiled the Aquasphere Matte Black, a striking new iteration that refines the collection with a darker, more understated aesthetic, prioritizing functional prowess over ostentatious flair. This latest release replaces the vibrant blue colorway of its predecessor with a sophisticated black and white palette, judiciously punctuated by Hanhart’s iconic red accents, a nod to its storied past.
A Deep Dive into the Aquasphere Matte Black’s Design and Construction
The Hanhart Aquasphere Matte Black retains the well-proportioned 42mm stainless steel case that characterized the original Aquasphere models. Measuring 42mm in diameter, 12.95mm in thickness, and with a lug-to-lug measurement of 49mm, the case strikes an excellent balance on the wrist, suitable for a wide range of wearers. The case’s design is elevated beyond mere simplicity through a thoughtful interplay of finishes, featuring alternating satin-brushed, polished, and matte surfaces that add depth and visual interest.
Dominating the upper section of the case is a robust black ceramic bezel. This unidirectional rotating bezel, featuring 60 precise clicks, is crucial for a dive watch, allowing for accurate tracking of elapsed time underwater. Hanhart’s distinctive stencil numerals adorn the bezel, a design cue that echoes the legibility demands of early aviation instruments. A prominent red marker at the 12 o’clock position serves as a clear visual anchor, a signature element that has long been associated with Hanhart’s precision timekeeping.
The case’s construction is engineered for the rigors of underwater exploration. It boasts a substantial water resistance of 300 meters (30 bar), making it a reliable companion for recreational and professional diving. Functionality is further enhanced by a screw-down crown, strategically protected by integrated guards to prevent accidental impacts or winding. At the 10 o’clock position, a helium escape valve is incorporated, a critical feature for saturation divers, allowing trapped helium gas to escape during decompression phases and preventing damage to the watch. The screw-down caseback is intricately engraved with a detailed underwater scene, further reinforcing the watch’s aquatic identity. This meticulous attention to case construction underscores Hanhart’s commitment to creating timepieces that are not only aesthetically pleasing but also highly functional and durable.
A Monochrome Dial for Uncompromising Legibility
The most significant departure and the defining characteristic of the new Aquasphere Matte Black is its dial. Hanhart has opted for a deep matte black finish, a choice that profoundly enhances legibility, especially in challenging lighting conditions. This monochromatic canvas is framed by a silver-colored rehaut, which provides a subtle visual separation and further accentuates the dial’s clarity.

The applied hour markers, including the distinctive Arabic numeral at the 12 o’clock position, are generously filled with Super-LumiNova C1 GL X2. This high-performance luminous material ensures exceptional visibility in low-light environments, a non-negotiable requirement for any serious dive watch. The broad, open-worked hour and minute hands are also coated with the same luminescent compound, allowing for quick and accurate time reading at a glance. Adding a signature Hanhart touch, the central seconds hand features a red open-worked triangular tip, a subtle yet effective splash of color that maintains the brand’s recognizable aesthetic without compromising the overall monochrome theme. This deliberate design choice emphasizes Hanhart’s ability to integrate its heritage into contemporary watchmaking.
Reliable and Precisely Regulated Internals
Beneath the meticulously crafted dial beats a reliable automatic movement, with the Aquasphere Matte Black offering a choice between two highly regarded Swiss calibers: the Sellita SW200-1 or the Soprod P024. Both movements are widely recognized as robust and dependable alternatives to the ubiquitous ETA 2824. These automatic movements operate at a frequency of 28,800 vibrations per hour (4 Hz) and offer essential functionalities such as hacking seconds, which allows for precise time synchronization. They provide a power reserve of at least 38 hours, ensuring that the watch continues to function reliably even when not worn for a day.
A key differentiator in Hanhart’s offering is its commitment to in-house regulation. Every movement destined for an Aquasphere Matte Black undergoes rigorous testing and regulation by Hanhart in their facility in Gütenbach, Germany. The brand adheres to its own stringent in-house standard, aiming for an accuracy of between 0 and +8 seconds per day, averaged across six positions. This level of precision regulation, often exceeding chronometer standards, highlights Hanhart’s dedication to delivering exceptional performance and reliability, adding significant value to the timepiece. This meticulous finishing and regulation process reflects a tradition of German engineering excellence that Hanhart has cultivated over its long history.
Versatile Wearing Options for Every Adventurer
Understanding that a dive watch is often a daily companion, Hanhart offers the Aquasphere Matte Black with three distinct and versatile strap options, catering to a variety of preferences and activities.
- The Hook Strap: This innovative and lightweight elastic strap is designed for ultimate comfort and secure fit, particularly during water-based activities or when wearing over a wetsuit. Its adaptability ensures a snug feel without compromising breathability.
- FKM Rubber Strap: For those seeking a classic and durable dive watch experience, the FKM rubber strap provides excellent resistance to water, chemicals, and UV rays. It is equipped with a secure folding clasp, ensuring the watch remains firmly on the wrist.
- Stainless Steel Bracelet: The premium option is a robust stainless steel bracelet. This bracelet features a highly practical tool-free micro-adjustment system, allowing for on-the-fly sizing to achieve the perfect fit throughout the day or in varying temperatures. Additionally, it incorporates quick-release spring bars, facilitating effortless strap changes for those who prefer to swap between different looks or functionalities.
Each strap option is designed to complement the watch’s robust nature and sophisticated aesthetics, ensuring that the Aquasphere Matte Black is as comfortable and versatile as it is capable.
Hanhart’s Strategic Expansion into the Dive Watch Segment
The introduction of the Aquasphere collection in 2024 marked a significant strategic pivot for Hanhart, a brand historically synonymous with high-precision pilot’s watches. For over a century, Hanhart’s distinctive timepieces, characterized by their robust construction and legible dials, have been integral to the cockpit, worn by aviators navigating challenging skies. The iconic "flieger" watches, with their large crowns, clear numerals, and often red accents, have cemented Hanhart’s reputation for reliability and functionality under pressure.

However, the modern watch market demands diversification, and Hanhart’s foray into the dive watch segment represents a calculated move to broaden its appeal and showcase its engineering prowess across different demanding environments. The Aquasphere collection, therefore, is not merely an arbitrary addition but a logical extension of Hanhart’s core competencies. The brand’s expertise in creating legible, durable, and precisely regulated timepieces for pilots directly translates to the requirements of a high-performance dive watch: water resistance, shock resistance, and exceptional legibility in challenging conditions.
The Aquasphere Matte Black, in particular, embodies this expansion by presenting a more restrained and functional interpretation of a dive watch. While its predecessor embraced a bolder color scheme, this matte black variant leans into the inherent utility and understated elegance that many seasoned divers and watch enthusiasts appreciate. It suggests an understanding of the dive watch’s utilitarian roots, where form strictly follows function. This approach allows Hanhart to tap into a different segment of the market while remaining true to its brand identity, which emphasizes robust engineering and a heritage of precision.
Pricing and Availability
The Hanhart Aquasphere Matte Black is available starting immediately as a permanent addition to the brand’s collection. Its pricing reflects the quality of materials, Swiss movement, and the brand’s meticulous in-house regulation:
- EUR 1,540 on the Hook Strap
- EUR 1,640 on the FKM rubber strap
- EUR 1,740 on the stainless steel bracelet
These price points position the Aquasphere Matte Black competitively within the premium dive watch market, offering significant value considering its robust specifications, Swiss-made movements, and Hanhart’s renowned German finishing and regulation. The availability as a permanent collection piece ensures that enthusiasts will have ample opportunity to acquire this refined iteration of Hanhart’s modern dive watch offering.
The Hanhart Aquasphere Matte Black represents more than just a new watch; it signifies Hanhart’s confident stride into a new horological territory, demonstrating a keen understanding of contemporary market demands while staying firmly rooted in its legacy of precision and reliability. It is a testament to the brand’s ability to evolve and adapt, offering a compelling option for those who seek a dive watch that combines technical excellence with a distinguished, understated design.
Technical Specifications
Case:

- Diameter: 42mm
- Thickness: 12.95mm
- Material: Stainless steel
- Finishes: Alternating satin-brushed, polished, and matte surfaces
- Bezel: Black ceramic, unidirectional 60-click rotating bezel with luminescent markings and red triangle at 12 o’clock
- Crown: Screw-down crown with guards
- Caseback: Screw-down caseback with embossed maritime imagery
- Additional Features: Helium escape valve at 10 o’clock, hollowed case flanks
- Crystal: Convex sapphire crystal with anti-reflective treatment
- Water Resistance: 300 meters (30 bar)
Dial:
- Color: Matte black
- Indices: Applied rectangular indices with Super-LumiNova C1 GL X2
- Numerals: Applied Arabic numeral at 12 o’clock with Super-LumiNova C1 GL X2
- Hands: Open-worked hour and minute hands with Super-LumiNova C1 GL X2; central seconds hand with red open-worked triangular tip and lume
Movement:
- Type: Automatic
- Calibers: Sellita SW200-1 or Soprod P024
- Frequency: 28,800 vibrations per hour (4 Hz)
- Power Reserve: Minimum 38 hours
- Functions: Hacking seconds
- Regulation: Regulated by Hanhart in Gütenbach to 0/+8 seconds per day averaged across six positions
Bracelet/Straps:
- Options: Lightweight elastic Hook Strap, black FKM rubber strap with folding clasp, or stainless steel bracelet with quick-release system and tool-free micro-adjustment
References:
- 777.210-6428 (Steel bracelet)
- 777.210-1020 (Rubber strap, size M)
- 777.210-1022 (Rubber strap, size L)
- 777.210-3038 (Hook strap)
Availability:
- Permanent collection
Price:
- EUR 1,540 (Hook Strap)
- EUR 1,640 (Rubber strap)
- EUR 1,740 (Stainless steel bracelet)