ARF Edition — Jubilee Bracelet
The ARF iteration of the Datejust 31mm reference 278384RBR stands as a highly regarded option within the mid-size replica market. Recognized among collectors for its uncompromising approach to 904L Oystersteel fabrication, this factory achieves a remarkable 79.5-gram case weight that closely mimics the heft of the genuine article.
At its core operates the Clone 2236 automatic caliber, specifically modified to fit the compact 31mm architecture. Unlike larger clone movements, this compact mechanism utilizes traditional index regulation while maintaining reliable performance, offering a power reserve of approximately 36 hours. The instantaneous date function with rapid setting operates seamlessly beneath the 2.5x Cyclops magnification.
Visually, the watch is defined by its striking mint green dial and the signature diamond-set bezel. The 10.2mm case thickness is executed with impressive precision, allowing the five-piece link Jubilee bracelet to integrate fluidly into the monobloc middle case. The folding Oysterclasp features crisp, deep engravings consistent with ARF’s elevated finishing standards.
- Movement: Clone 2236 Automatic — Approximately 36 hours
- Case Material: 904L Oystersteel, 31.0mm diameter, ~37.0mm lug-to-lug, 79.5g weight
- Bezel: Stainless steel base with simulated diamond setting
- Crystal: Scratch-resistant sapphire with 2.5x Cyclops lens
- Bracelet: 904L Oystersteel Jubilee with folding Oysterclasp
- Water Resistance: 50 Meters — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
Ideal for collectors seeking a refined, mid-size profile that balances elegant gem-setting with robust everyday wearability. The 31mm proportions offer understated presence without dominating the wrist.

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