Yema, the esteemed French watchmaker with a rich heritage dating back to 1948, has once again pushed the boundaries of its renowned Navygraf series, venturing beyond its traditional tool-watch identity. While recent iterations have explored unconventional materials like forged carbon and the iridescent beauty of mother-of-pearl, the latest release, the Navygraf Meteorite CMM.10, marks a profound temporal leap, embedding a fragment of the cosmos onto the wrist. This limited edition timepiece, restricted to just 150 pieces worldwide, pairs a dial crafted from Muonionalusta meteorite – a celestial artifact estimated to have solidified within the metallic core of a planetoid approximately 4.5 billion years ago – with Yema’s in-house CMM.10 automatic movement, all housed within a sleek titanium case.
This ambitious integration of extraterrestrial material represents a significant evolution for the Navygraf line, which has historically been defined by its robust functionality and dive-ready specifications. The brand’s recent strategy has been characterized by a willingness to experiment, moving away from purely utilitarian designs to embrace more avant-garde aesthetics and material choices. The introduction of forged carbon, known for its lightweight strength and distinctive marbled appearance, and the delicate allure of mother-of-pearl, offering a captivating play of light and color, have signaled Yema’s intent to broaden its appeal. However, the Navygraf Meteorite CMM.10 transcends these material explorations by incorporating a substance that predates Earth itself, offering wearers a tangible connection to the vastness of space and the primordial origins of our solar system.
A Celestial Dial: The Allure of Muonionalusta Meteorite
The heart of the Yema Navygraf Meteorite CMM.10 lies in its dial, which is meticulously crafted from Muonionalusta meteorite. This particular meteorite, discovered in northern Sweden in 1906, is a Plessitic octahedrite and one of the oldest meteorites known, with its metallic composition cooling over millions of years within the core of an ancient celestial body. This incredibly slow cooling process is responsible for the formation of the distinctive Widmanstätten pattern, a crystalline structure of iron and nickel that becomes visible only after the meteorite is cut and polished.
This intricate pattern is not static; it transforms and shifts as light interacts with the dial’s surface. Depending on the angle and intensity of illumination, the geometric lines and textures of the Widmanstätten pattern can become more pronounced or recede, lending each Navygraf Meteorite CMM.10 a unique and dynamic visual character. This inherent individuality ensures that no two timepieces will be exactly alike, offering collectors a truly one-of-a-kind piece of horological art. The dial is available in two sophisticated finishes: a deep, classic black and a rich, enigmatic green, both designed to accentuate the cosmic patterns of the meteorite.
Against this extraordinary backdrop, Yema has applied hour markers and hands that are treated with Grade A BGW9 Super-LumiNova, emitting a bright blue glow in low-light conditions. This ensures excellent legibility, a crucial trait for any dive watch, even when faced with the challenge of the ever-changing meteorite dial. A luminous triangle at the 12 o’clock position on the bezel insert further enhances this functionality. Encircling the dial is a crisp white minutes and seconds track, providing a clean and precise reference for elapsed time.
Design and Engineering: A Titanium Vessel for Cosmic Time
The Navygraf Meteorite CMM.10 is encased in a 39mm diameter titanium case, a material chosen for its exceptional strength-to-weight ratio, hypoallergenic properties, and inherent corrosion resistance, making it an ideal choice for a dive watch. The case measures a svelte 11mm in thickness and has a lug-to-lug measurement of 46mm, contributing to a comfortable and balanced wear on the wrist. The finishing is a testament to Yema’s attention to detail, featuring a vertical brushed texture on the main surfaces, complemented by mirror-polished bevels along the lugs. This interplay of finishes adds depth and visual interest to the case, highlighting its refined form.
A 2.2mm double-domed sapphire crystal protects the meteorite dial. The domed profile is a nod to vintage watchmaking, evoking the aesthetics of older timepieces while providing superior scratch resistance and clarity. The bezel, a critical component of any dive watch, is a 120-click unidirectional unit, designed for precise elapsed-time measurement. It features a robust black stainless-steel insert adorned with a clear 0-60 minute scale.
The caseback of the Navygraf Meteorite CMM.10 is a sapphire display window, offering a view of the intricate mechanical heart of the watch, Yema’s CMM.10 manufacture movement. The surrounding titanium section is circularly brushed and engraved with the individual limited-edition number and serial number, reinforcing the exclusivity of this timepiece. Water resistance is rated at a formidable 300 meters (30 ATM), confirming its capability as a genuine dive instrument, albeit one that presents a more refined and sophisticated aesthetic compared to some of Yema’s more overtly rugged models, such as the iconic Superman series.
The CMM.10: Yema’s In-House Mechanical Prowess
Powering the Navygraf Meteorite CMM.10 is Yema’s own CMM.10 calibre. This automatic movement, developed in collaboration with master watchmaker Olivier Mory and assembled by Yema’s skilled watchmakers in Morteau, France, represents a significant achievement in the brand’s horological development. It is the same caliber found in other notable Navygraf models, such as the Navygraf Marine Nationale CMM.10, underscoring its established reliability and performance.
The CMM.10 operates at a frequency of 28,800 vibrations per hour (4Hz) and boasts an impressive power reserve of 70 hours. This extended autonomy is partly attributed to its substantial mainspring barrel. Yema specifies chronometric performance within -3/+5 seconds per day, placing it within the acceptable range for a chronometer-certified watch, and highlights its enhanced resistance to magnetic fields and shocks, essential attributes for a watch designed for active use. The movement features a unidirectional rotor mounted on ball bearings, a transversal bridge for structural integrity, a Glucydur balance wheel for stability, and Incabloc shock absorbers. The seconds hand also features a hacking function, allowing for precise time setting.
A Legacy of Exploration and Innovation
Yema’s journey into materials like meteorite is not an isolated incident but part of a broader narrative of innovation and historical reference. The brand has consistently drawn inspiration from France’s rich maritime and aeronautical history, integrating elements of military heritage and scientific exploration into its designs. The Navygraf series itself, launched in the 1970s, was designed to meet the stringent demands of professional divers and naval personnel, embodying a spirit of adventure and reliability.
The introduction of the Navygraf Meteorite CMM.10 can be seen as a continuation of this spirit, albeit with a cosmic twist. By incorporating a material that has journeyed through billions of years and vast interstellar distances, Yema connects the wearer to a grander narrative of exploration, not just across Earth’s oceans, but across the cosmos itself. This move also aligns with a growing trend in the luxury watch industry, where brands are increasingly exploring unique and rare materials to differentiate their offerings and appeal to collectors seeking something beyond conventional horology.
The choice of titanium for the case and bracelet further enhances the watch’s modern appeal and technical sophistication. Titanium is a material favored in aerospace and high-performance applications for its durability and lightness. The vertically brushed finish on the bracelet, mirroring the case, ensures a cohesive and elegant look. The bracelet measures 19mm at the lugs and is secured by a folding clasp equipped with a micro-adjustment system, allowing for fine-tuning of the fit for optimal comfort.
Availability and Pricing: A Celestial Investment
The Yema Navygraf Meteorite CMM.10 Limited Edition is a highly exclusive offering, with only 150 individually numbered pieces being produced. This scarcity underscores its appeal to collectors and enthusiasts seeking a distinctive timepiece. The watch is priced at EUR 2,900, which translates to approximately USD 3,350. This pricing positions the Navygraf Meteorite CMM.10 as a premium offering within Yema’s collection, reflecting the rarity of the meteorite material, the in-house movement, and the limited production run.
The two references for this limited edition are:
- 22.26.10.66.TNL.M (Black dial)
- 22.26.10.64.TNL.M (Green dial)
For those interested in acquiring one of these cosmic timepieces or seeking further information, Yema’s official website, yema.com, serves as the primary source. The brand’s commitment to producing high-quality, in-house manufactured timepieces with a strong connection to French heritage continues to resonate with a global audience, and the Navygraf Meteorite CMM.10 stands as a testament to their ongoing innovation and ambition.
Technical Specifications: Yema Navygraf Meteorite CMM.10 Limited Edition
Case:
- Diameter: 39mm
- Thickness: 11mm
- Lug-to-lug: 46mm
- Material: Titanium
- Bezel: Unidirectional, 120 clicks, with black stainless steel insert and 0-60 minute scale
- Crystal: 2.2mm double-domed sapphire crystal
- Caseback: Sapphire display caseback
- Water Resistance: 300 meters (30 ATM)
- Finish: Vertically brushed with mirror-polished bevels
Dial:
- Material: Muonionalusta meteorite
- Available Finishes: Black or Green
- Markers: Polished applied hour markers
- Luminescence: Grade A BGW9 Super-LumiNova (blue emission) on hands and markers
- Additional Features: White minutes/seconds track
Movement:
- Calibre: CMM.10 (Yema Manufacture)
- Type: Automatic with unidirectional rotor on ball bearings
- Components: 208
- Jewels: 27
- Frequency: 28,800 vibrations per hour (4Hz)
- Power Reserve: 70 hours
- Regulation: Chronometric performance of -3/+5 seconds per day
- Features: Transversal bridge with Glucydur balance wheel, non-magnetic alloys, Incabloc shock absorbers, hacking seconds
Bracelet:
- Material: Titanium
- Finish: Vertically brushed
- Lug Width: 19mm
- Clasp: Folding clasp with micro-adjustment system
Reference Numbers:
- 22.26.10.66.TNL.M (Black dial)
- 22.26.10.64.TNL.M (Green dial)
Availability:
- Limited edition of 150 pieces worldwide
Price:
- EUR 2,900
- USD 3,350
