ARF Edition — President Bracelet
The ARF iteration of the Datejust 31 Ref. 278278-0010 stands out in the mid-size replica category due to its exacting case geometry and superior bracelet tolerances. While the genuine model is crafted from solid 18k yellow gold, this piece utilizes a 904L Oystersteel base with a robust 18k gold plating, achieving a total weight of 80 grams. This specific factory is widely recognized on collector forums for minimizing lateral play in the semi-circular links of the President bracelet.
At its core, the watch is powered by the Clone 2236 mechanical movement. This self-winding caliber operates at 28,800 vibrations per hour, ensuring a fluid sweep for the seconds hand. It features an instantaneous date mechanism with rapid setting capabilities, mirroring the operational feel of the genuine caliber. Power reserve is approximately 36 hours when fully wound.
The 31mm case measures precisely 10.2mm in thickness, maintaining the slim profile required for a classic dress watch. The dial is a deep olive green, providing a high-contrast backdrop for the gold-toned Roman numerals and hands. Above the dial, the sapphire crystal integrates a Cyclops lens with the correct 2.5x magnification and underlying anti-reflective coating.
- Movement: Clone 2236 Auto — Approximately 36 hours
- Case Material: 904L Oystersteel (18k Gold Plated), 31mm diameter, 80g weight
- Bezel: Fluted 18k gold-plated steel, accurate light dispersion
- Crystal: Scratch-resistant sapphire with 2.5x Cyclops magnification
- Bracelet: 18k gold-plated President bracelet with concealed folding Crownclasp
- Water Resistance: 50 Meters — professional pressure test recommended before swimming. Do not operate the crown while the watch is submerged.
This specific reference is tailored for collectors seeking a mid-size dress watch with mechanical integrity. Its proportions are traditionally suited for smaller wrists, offering a highly legible display without overwhelming the wearer.


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