APSF Edition — Vented White Rubber Strap
APSF has established the current technical benchmark for the Richard Mille RM 055 “Bubba Watson” reference. Moving away from the decorated base-caliber plates of previous generations, this iteration features a true integrated skeleton architecture that faithfully reproduces the spatial depth of the genuine caliber. This specific build is widely recognized on collector forums for addressing the dimensional inaccuracies that plagued earlier factory attempts.
Powered by the custom-developed Dandong RMUL2 manual-winding clone caliber, the movement distinguishes itself with fully functional gear trains rather than static superficial bridges. Crucially, it features the correct heart-shaped shock absorbers on the balance wheel, eliminating the prominent circular flaw seen in older batches. Power reserve is approximately 36 hours, strictly adhering to the mechanical limitations of this highly skeletonized clone architecture.
The case utilizes genuine ATZ white ceramic for the bezel and caseback, paired with a rubberized titanium middle case, yielding an impressively accurate total weight of 97g. Measuring strictly at 13mm thick, the proportions align closely with OEM specifications, allowing the watch to sit correctly on the wrist. All mechanical components and structural screws are machined from Grade 5 titanium, ensuring long-term durability and accurate visual finishing.
- Movement: Custom Dandong RMUL2 Manual Clone — Approximately 36 hours
- Case Material: ATZ Ceramic & Titanium, 42.7mm × 49.9mm, 97g
- Bezel: ATZ White Ceramic, accurate matte surface finishing
- Crystal: High-arc sapphire with premium anti-reflective coating
- Bracelet: Vented white rubber with titanium deployant clasp
- Water Resistance: Stated 30m — professional pressure test recommended before swimming
This piece is tailored for collectors seeking the specific ultra-lightweight, high-contrast aesthetic of the Bubba Watson. Its integrated movement makes it one of the few RM replicas that withstands close loupe inspection.


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