APSF Edition — Integrated Stainless Steel Bracelet
The release of the APSF Audemars Piguet Royal Oak Perpetual Calendar 26579CS marks a significant technical shift in the replica market. By moving away from heavily modified Miyota base plates, APSF has integrated a true clone Calibre 5134, allowing the case to achieve the correct 11.4mm thickness. This specific reference is notable for adapting the blue aesthetic of the genuine ceramic model into a more conventional, highly finished 316L stainless steel architecture.
Powering this piece is the customized Clone Calibre 5134 automatic movement. Unlike earlier iterations that featured faux sub-dials or deeply recessed pinions, this clone architecture supports functional month, day, date, and moon phase indicators. The movement delivers approximately 36 hours of power reserve, with a bidirectional winding rotor that operates with minimal acoustic resonance.
The 41mm case is machined from 316L stainless steel, featuring the signature brushed and polished alternating finishing across the octagonal bezel and integrated bracelet links. The blue dial utilizes the correct Grande Tapisserie pattern, with three-dimensional applied hour markers and faceted hands treated with luminous coating for low-light legibility.
Every piece undergoes rigorous evaluation against our strict QC standards to ensure sub-dial alignment and pusher functionality before dispatch.
- Movement: Clone Calibre 5134 Automatic — Approximately 36 hours
- Case Material: 316L Stainless Steel, 41mm diameter, 11.4mm thickness
- Bezel: 316L Stainless Steel with brushed finish and polished chamfers
- Crystal: Scratch-resistant sapphire with anti-glare treatment
- Bracelet: Integrated 316L stainless steel with AP folding clasp
- Water Resistance: 30m stated rating — a professional water-resistance check is recommended before submersion. Avoid using the pushers or crown while the watch is under water.
Designed for the collector who appreciates the mechanical complexity of the 5134 caliber but prefers the weight and durability of traditional steel over the fragility of full ceramic.


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