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Description
NEWF Roger Dubuis Excalibur Spider Flying Tourbillon RDDBEX 0392
The NEWF iteration delivers a structurally precise 84.4g titanium chassis paired with a remarkably faithful Shanghai-built skeletonized tourbillon.
Powered by Custom Shanghai Flying Tourbillon
This hand-wound caliber is a tailored architecture designed specifically to replicate the genuine RD505SQ movement layout. The gear train is fully exposed, with no redundant calendar gears or spare pinions at the 11 and 4 o’clock positions—a common structural tell on inferior versions. The gold balance wheel incorporates functional-looking weight nails, improving visual authenticity while maintaining a stable beat rate across its power cycle.
Rated at ±8–12 seconds per day. The true flying tourbillon escapement provides stable chronometry when fully wound.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Flying tourbillon, hours, minutes
- ✅ Winding Direction: Manual wind
Technical Specifications
Constructed with a 45mm diameter and a verified 12.0mm thickness, delivering a highly wearable profile. The 84.4g total weight ensures the piece feels appropriately technical and lightweight.
The dial relies entirely on the movement’s structural bridges, featuring subtle dark green accents that provide contrast against the monochromatic titanium and rhodium-plated components. The Celtic cross carriage is cleanly polished.
Features the signature deep-notched Roger Dubuis fluting. The machining is sharp, creating dynamic light play across the matte and polished surfaces without feeling abrasive.
Molded from imported Thai rubber, the strap integrates seamlessly into the triple-lug case design and secures via an original-spec folding deployant buckle.
Why NEWF for This Reference?
Many collectors ask: “Why not BBR Factory?”
While BBR has historically dominated the Roger Dubuis tourbillon market, the NEWF version offers a specifically refined 12.0mm case thickness and an exact 84.4g weight profile for the RDDBEX 0392. The removal of redundant gears at the 11 and 4 o’clock positions showcases NEWF’s commitment to strict movement bridge accuracy.
Full Disclosure: The manual winding action on the Shanghai tourbillon feels slightly stiffer than the buttery resistance of the genuine Roger Dubuis caliber, requiring firm, deliberate turns of the crown.
Data Sheet
| MODEL REFERENCE | RDDBEX0392 |
| FACTORY / VERSION | NEWF Edition |
| MOVEMENT | Custom Shanghai Manual Flying Tourbillon |
| CASE MATERIAL | Titanium Alloy |
| WEIGHT & THICKNESS | 84.4g | 12.0mm |
| CRYSTAL & LUME | Sapphire Crystal | Super-LumiNova |
| DIMENSIONS | 45.0mm × 54.0mm × 12.0mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | Stated 30m — professional pressure test recommended before swimming |
Collector Q&A
Q: Does the tourbillon on this NEWF RDDBEX 0392 actually function, or is it an open-heart aesthetic?
A: It is a true mechanical flying tourbillon. The entire escapement rotates on its axis within the Celtic cross-shaped carriage, functioning exactly as a tourbillon should to average out positional errors.
Q: How does the 84.4g weight compare to the genuine Roger Dubuis Excalibur?
A: The genuine titanium Excalibur Spider models are exceptionally light due to the skeletonized movement and titanium case. At 84.4g, the NEWF replica achieves a highly comparable wrist feel, avoiding the dense, heavy feel of standard steel replicas.
Q: Are the movement bridges genuinely skeletonized, or are there hidden baseplates?
A: The movement is a true skeleton design. You can see straight through the sapphire crystals on both sides. NEWF has specifically eliminated redundant calendar gears to ensure the open-work star bridge design remains unobstructed.
Q: What is the main visual tell on this specific NEWF factory version?
A: While the movement architecture is exceptionally similar to the genuine, the beveling (anglage) on the movement bridges is machine-applied rather than hand-finished. Under a loupe, the chamfers lack the mirror-polished gleam characteristic of the genuine Geneva Seal-certified RD505SQ caliber.
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