Clean Factory Edition — Oyster Bracelet
The Clean Factory iteration of the Rolex Daytona M126508-0004 represents the current benchmark for the new-generation 4131-equipped references. Recognized across horological forums for its precise 18K yellow gold plating tone, this piece avoids the overly brassy hue often found in earlier iterations.
It houses a dedicated 1:1 clone of the Calibre 4131, distinguishing itself from modified 4130 movements by integrating the updated rotor bridge and KIF shock absorbers. The chronograph functions seamlessly, with the vertical clutch ensuring a crisp engagement of the central seconds hand without noticeable stutter.
Crafted from 904L Oystersteel enveloped in a robust gold plating, the 40mm case maintains genuine proportions. The deep black dial features accurately stepped sub-dials and correctly applied Chromalight indices, offering excellent legibility against the dark background.
- Movement: Calibre 4131 Clone — Approximately 36 hours
- Case Material: 904L Oystersteel (18K Gold Plated), 40mm diameter, 46.5mm lug-to-lug, ~145g
- Bezel: 18K Gold Plated 904L Steel, accurate engraved tachymetric scale
- Crystal: Sapphire with colorless anti-reflective coating
- Bracelet: 18K Gold Plated Oyster bracelet, Oysterlock safety clasp
- Water Resistance: 50 meters — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This heavy-hitting yellow gold reference is suited for enthusiasts seeking the presence of a precious metal chronograph without the genuine market premium. It performs capably in formal settings while retaining the utilitarian roots of a racing timer.


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