DDF Edition — Quick-Release Rubber Strap
The DDF release of the Royal Oak Offshore 26420RO establishes a strict horological benchmark for modern AP replicas. By engineering a true integrated flyback chronograph movement, this edition achieves the genuine 14.2mm case thickness across its 43mm diameter, a metric previously impossible with older modular clones.
At the core of this reference is the clone Calibre 4401, an integrated automatic chronograph mechanism featuring a fully functional flyback complication. Unlike earlier A7750-based modifications, this one-piece movement integrates the chronograph works directly into the base caliber, ensuring reliable operation and a crisp pusher feel. The power reserve for this specific integrated movement configuration is approximately 36 hours.
The 43mm case is machined from solid stainless steel and finished with an 18k rose gold plating, accurately replicating the brushed/polished alternating finishing of the genuine article. Weighing 205g, it provides substantial wrist presence, while the black textured dial and brushed black ceramic bezel complete the aggressive aesthetic profile.
- Movement: Asian Super Clone AP Cal. 4401 — Approximately 36 hours
- Case Material: 18k Rose Gold Plated Stainless Steel, 43mm diameter, 205g
- Bezel: Brushed and polished black ceramic
- Crystal: Scratch-proof sapphire crystal with colorless AR coating
- Bracelet: Black rubber strap with quick-release tang buckle
- Water Resistance: 50m Stated — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
Designed for collectors who require mechanical parity with the genuine 4401 caliber. The robust proportions are best suited for medium to large wrists during casual or sporting engagements.


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