Clean Factory Edition — Oyster Bracelet
Clean Factory’s execution of the 126509-0002 reference stands as a benchmark for modern Daytona replicas, specifically regarding the integration of the new Calibre 4131 architecture. While the genuine piece utilizes solid 18k white gold, this iteration relies on 904L Oystersteel, presenting a noticeable weight deficit but achieving excellent visual parity in its case geometry and polished finish.
At the core lies the 1:1 Clone Calibre 4131, featuring the updated oscillating weight with optimized ball bearings and KIF shock absorbers. Unlike previous 4130 iterations, this movement incorporates the revised bridge layout and Paramagnetic blue Parachrom hairspring architecture, ensuring crisp chronograph actuation via its column wheel.
The 40mm case maintains the precise 11.9mm thickness of the genuine counterpart. The dial, accented with diamond-set hour markers, exhibits sharp subdial printing and correct sunray finishing, though the brilliance of the synthetic stones naturally differs from factory-set Rolex diamonds under magnification.
- Movement: Clone Calibre 4131 — Approximately 36 hours
- Case Material: 904L Oystersteel, 40mm diameter, 46.5mm lug-to-lug, ~145g
- Bezel: 904L Oystersteel, precise engraved tachymetric scale
- Crystal: Scratch-resistant sapphire with laser-etched crown at 6 o’clock
- Bracelet: 904L Oystersteel, polished center links, folding Oysterlock 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 piece serves collectors seeking the aesthetic impact of a precious-metal Daytona without the associated liability. It performs capably in daily wear scenarios, provided the chronograph pushers remain unscrewed only when actively timing.

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