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While the horological landscape is often defined by the industrial hegemony of Switzerland and Japan, French watchmaking maintains a distinct, albeit quiet, presence, historically anchored in sophisticated mechanical execution and rigorous decorative standards. A notable exponent of this tradition is YEMA, established in 1948 by Henry Louis Belmont. Throughout its history, the brand has operated at the intersection of utilitarian durability and iterative design, establishing a consistent, if pragmatic, footprint in the history of tool watches.
Military-issued timepieces remain a cornerstone of modern collecting, valued for the provenance derived from their role as mission-critical equipment. Among the most historically significant are those associated with the French Navy (Marine Nationale), a force of considerable strategic weight. In developing the Navygraf series, YEMA aimed to synthesize this military requirement for resilience with a format suitable for professional use, resulting in a diver constructed to withstand strenuous physical environments.
At the recent Geneva Watch Week, YEMA presented a series of five novelties across two exhibitions. The headline of the opening day is the Navygraf Phantom CMM.10, a limited edition that serves as an evolution of the existing line, integrating the brand's in-house manufacture calibre.
Drawing from the Navygraf lineage of the 1970s, this latest iteration is arguably the most discreet interpretation to date. The design embraces a monochromatic palette, with the entire watch including case, dial, and bracelet all finished in a black IP coating. It is a sombre execution, but one that avoids feeling flat. By pairing vertically brushed surfaces with subtle, polished chamfers, the case catches light in a way that feels intentional, elevating it above standard "blacked-out" tool watches.
On the wrist, the dimensions are a welcome return to sensible proportions. At 38.5 mm in diameter, 46mm lug-to-lug and just over 11.05 mm in height, it possesses a compact, low-slung stance that feels balanced rather than overbearing. It is a watch that doesn't demand attention, but rather sits comfortably as a utilitarian companion.
The bezel insert: a sandblasted black ceramic that is impervious to the kind of desk-diving marks that would otherwise betray the watch's age. It is a high-performance tool, certainly, with 300 meters of water resistance and a sturdy, screw-down crown that feels reassuringly tactile to operate. Moving on the exhibition sapphire caseback, it is a move that trades a bit of "true" military utility for the sake of mechanical appreciation. For the enthusiast who values the aesthetic of a movement as much as the robust exterior of the watch, this transparency offers a welcome, human touch to what is otherwise a cold, high-spec instrument.
The dial is protected by a double-domed sapphire crystal, which effectively eliminates distortion while adding a touch of warmth to the vintage-inspired geometry. Beneath, the vertically brushed matte black surface provides a subtle, refined backdrop for the beige-printed indices and white minute track. The Manufacture Française text at six o'clock serves as a deliberate nod to the proprietary CMM.10 movement housed within, a detail that signals the brand's shift toward greater vertical integration.
Legibility, as expected for a diver, is prioritized. The matte yellow hands offer distinct contrast against the black dial, while the signature "exclamation point" markers—a stylistic mainstay of the Navygraf line—are treated with generous applications of Super-LumiNova. It is a functional arrangement that feels both historically respectful and entirely practical, ensuring that the watch remains as effective in low-light environments as it is aesthetically cohesive in the daylight.
Powering this piece is the proprietary CMM.10 movement, a self winding calibre that marks a significant step in the brand's move toward internal manufacturing. It operates at 28,800 beats per hour, or 4 Hertz, and provides a robust 70 hour power reserve, ensuring the watch remains functional through extended periods of non use. The movement utilizes a ball bearing rotor system to optimize winding efficiency, and YEMA has made the unexpected decision to display this caliber through an exhibition caseback. The finish is surprisingly refined for a watch of this genre, with the rotor serving as an aesthetic centerpiece that allows the wearer to appreciate the mechanical engineering driving this rugged instrument.
To complete the Phantom aesthetic, the watch is paired with a 19 mm stainless steel bracelet finished in a matching vertically brushed black IP coating. The execution remains consistent with the case, maintaining a matte, low reflectivity appearance that feels cohesive rather than merely decorative. A secure locking clasp features an integrated diver extension, a practical inclusion that allows for effortless adjustment over a wetsuit or technical outerwear, ensuring the watch remains functional in professional environments.
Limited to just 200 pieces, the Navygraf Phantom is a watch that feels less like a marketing exercise and more like a genuine attempt by YEMA to find its own identity. It is an unapologetically monochromatic tool that succeeds because it understands that stealth should not mean boring; the deliberate use of brushed surfaces and polished chamfers gives it a tactile quality that holds up under close inspection. By focusing on their own CMM.10 movement and pushing for a more refined, manufacture driven path, YEMA is showing a sense of maturity that was previously missing. It is not going to replace the heavy hitters in your collection, but it does not need to; it is a rare, capable, and honest watch that marks an interesting turn for the brand, and for those who have been watching from the sidelines, it is finally time to start paying attention.
| Hersteller | Yema |
| Bewegung | CMM.10 Manufacture Caliber |
| Wählen | Vertically brushed matte black dial |
| Leuchtend | Super-LumiNova GRADE A |
| Fall | 316L stainless steel with a vertically brushed IP black finish and polished chamfers |
| Lünette | 120-click unidirectional dive bezel; sandblasted black ceramic insert with engraved 60-minute scale |
| Kronentyp | Screw-down crown with a circular brushed IP black finish and embossed polished YEMA logo |
| Bandanstoßbreite | 19mm |
| Kristallmaterial | 2.50 mm double domed sapphire crystal |
| Gurt | 316L stainless steel with a matte IP black coating and vertical brushing |
| Wasserdichtigkeit | 300m |
| Maße | 38.5mm in diameter, 46mm lugs to lugs, 11.05mm thick |
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