APS Factory Edition — Diver Rubber Strap
The APS Factory (APSF) release of the Royal Oak Offshore 26420 represents a significant technical shift in replica chronograph architecture. Historically, Offshore replicas relied on modular 7750 movements with decorative plates, resulting in bloated case profiles and unstable gear trains. APSF resolves this by utilizing the integrated Calibre 4401 clone, allowing the case to achieve a highly accurate ~14mm thickness while maintaining proper sub-dial spacing.
Powered by the Super Clone Calibre 4401, this movement features a fully functional flyback chronograph mechanism. The architecture mirrors the genuine layout with the 12-hour counter at 3 o’clock, small seconds at 6 o’clock, and 30-minute counter at 9 o’clock. Power reserve is approximately 36 hours. The integrated design significantly improves overall reliability compared to previous modular iterations, providing a smoother pusher action and stable timekeeping.
The 43mm stainless steel case exhibits precise alternating brushed and hand-polished bevels, matching the aggressive geometry of the Offshore line. The black ceramic bezel is vertically brushed and secured with symmetrically aligned hexagonal screws. The dial features a CNC-sculpted Méga Tapisserie grid with galvanic treatment, providing high contrast against the concentric circle texture of the sub-dials.
- Movement: Super Clone Calibre 4401 Flyback Chronograph — Approximately 36 hours
- Case Material: 316L Stainless Steel, 43mm diameter, ~14mm thickness
- Bezel: Black Ceramic, vertically brushed with polished edges
- Crystal: Scratch-proof Sapphire with colorless AR coating
- Bracelet: Black Diver Rubber Strap with steel pin buckle
- Water Resistance: Stated 50m — professional pressure test recommended before swimming. Never engage the crown or pushers when the piece is submerged.
This piece is suited for collectors seeking a robust, modern sports chronograph with accurate case proportions. The rubber strap and ceramic bezel make it an ideal candidate for active wear environments where a steel bracelet might be cumbersome.


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