APSF Edition — Black Rubber Quick-Release
The Audemars Piguet Royal Oak Offshore Diver 15720 represents a significant technical milestone for the replica market, specifically under the engineering of APSF. By moving away from modular movement architectures, this release achieves an impressive level of structural fidelity. It is highly regarded on horological forums for its precise case tolerances and the successful integration of a fully functional quick-release strap system.
At the core of this model is the groundbreaking custom Caliber 4308 true clone automatic movement. Unlike older iterations that relied on decorated Miyota 9015 bases, APSF has integrated a movement that does away with superficial decoration plates. This yields genuine structural accuracy visible through the sapphire caseback, complete with a beautifully finished 22K pink gold-toned oscillating weight. Power reserve is rated at approximately 36 hours.
The 42mm case is machined from premium 316L stainless steel, exhibiting the correct alternating brushed and polished finishing that defines the Royal Oak lineage. The deep black Méga Tapisserie dial captures the distinct texture and light play of the genuine article, flanked by a fully operational inner rotating diving scale. Crucially, the watch adheres strictly to its verified specifications, measuring exactly 13.8mm thick and weighing 170g.
- Movement: Caliber 4308 True Clone Automatic — Approximately 36 hours
- Case Material: 316L Stainless Steel, 42mm diameter, 170g weight
- Bezel: 316L Stainless Steel with correct brushed finishing
- Crystal: Scratch-Resistant Sapphire with Anti-Reflective Coating
- Bracelet: Premium Black Rubber with functional Quick-Release
- Water Resistance: Stated 50m — professional pressure test recommended before swimming
This piece suits the collector who requires a robust, mechanically accurate sports diver without compromising on the iconic octagonal design language. It offers a substantial wrist presence ideal for casual and active environments.


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