Yema Superman Bronze CMM.10: Grade A Super-LumiNova Meets French Manufacture Craft
Yema's Bronze Superman Gets Grade A Super-LumiNova Gilt Dials
French manufacture Yema has expanded its popular Superman Bronze collection with three new colorways featuring glossy gilt dials and Grade A Super-LumiNova — the highest quality tier of Swiss luminescent material. The new brown, green, and white variants combine vintage-inspired aesthetics with modern lume performance.
Grade A Super-LumiNova: What It Means
Super-LumiNova is available in different quality grades, with Grade A representing the premium tier. Grade A pigments offer superior brightness, longer glow duration, and more consistent color compared to standard grades. On the new Superman Bronze models, the applied gilt hour markers and diamond-cut hands are filled with Grade A Super-LumiNova that appears beige in daylight and emits a bright green luminescence in the dark.
This dual-tone effect — warm beige by day, vivid green by night — complements the vintage gilt aesthetic perfectly, creating a watch that transforms character between light conditions.
Technical Specifications
| Specification | Detail |
| Case | 39mm × 10.95mm, bronze with brushed/polished finish |
| Crystal | 2.2mm double-domed sapphire |
| Water Resistance | 300 meters |
| Dial | Glossy lacquered gilt in brown, green, or white |
| Lume | Grade A Super-LumiNova (beige day / green night) |
| Movement | Yema CMM.10 manufacture, 28,800vph, 70-hour PR |
| Precision | -3/+5 seconds per day |
| Strap | Integrated FKM Tropic-style rubber, matching dial |
| Price | EUR 1,790 |
The CMM.10 Manufacture Movement
What truly sets these new references apart from typical dive watches is Yema's in-house CMM.10 calibre, developed and assembled at the brand's workshops in Morteau, France. This automatic movement features a 70-hour power reserve — exceptional for its price point — and is rated to chronometric precision of -3/+5 seconds per day. The movement also offers improved resistance to shocks and magnetic fields, with a symmetrical mainplate design that serves as the foundation for Yema's growing family of manufacture calibres.
Bronze Case Character
The 39mm bronze case is compact by modern dive watch standards, measuring just 10.95mm thick (excluding the crystal). Bronze develops a unique patina over time, meaning each watch will age differently depending on its owner's lifestyle and environment. The brushed surfaces with polished chamfers create a neo-vintage aesthetic, reinforced by the double-domed sapphire crystal and the classic Superman bezel lock system.
All three variants come on integrated FKM Tropic-style rubber straps matching their respective dial colors, secured with brushed bronze pin buckles.
Frequently Asked Questions
Q: What is Grade A Super-LumiNova?
A: Grade A is the premium tier of Super-LumiNova, offering maximum brightness and longest glow duration. It's the same grade used in professional dive watches and aviation instruments where legibility is critical.
Q: How does bronze patina affect the watch?
A: Bronze develops a natural patina over time, giving each watch a unique character. The patina is purely aesthetic and does not affect the watch's structural integrity. A stainless steel caseback prevents skin discoloration.
Q: Is the Yema CMM.10 a true manufacture movement?
A: Yes. The CMM.10 is designed, developed, assembled, and regulated entirely at Yema's workshops in Morteau, France — making it a genuine French manufacture calibre.
According to Monochrome Watches, the new Yema Superman Bronze CMM.10 models combine "the charm of a bronze dive watch with a modern French manufacture movement" at an impressive EUR 1,790 price point.
Want to understand lume grades better? Read our complete guide to watch lume or explore the differences between BGW9, C3, and Grade A Super-LumiNova.