APSF Edition — Integrated Stainless Steel Bracelet
The Audemars Piguet Royal Oak 15500ST reference demands exacting precision in its case geometry, a metric where APSF has established the current forum consensus benchmark. By developing a true integrated clone movement, APSF achieves the verified genuine case thickness of 10.4mm while maintaining the critical brushed and polished alternating finishing across the bezel and bracelet links.
Powered by the Clone Calibre 4302, this piece departs from older decorated base movements, offering correct date wheel placement and an appropriately sized skeletonized rotor. The movement operates at 28,800 vph, yielding a smooth sweep, while delivering a power reserve of approximately 36 hours. The movement architecture fills the display caseback precisely, mimicking the expansive genuine caliber.
Constructed from 316L stainless steel, the 41mm case houses a highly accurate Silver-Toned Grande Tapisserie dial. The dial presents a crisp silver-white hue with correct pattern depth and properly proportioned applied hour markers. The integrated bracelet fit is exceptionally tight, minimizing endplay at the lugs.
- Movement: Calibre 4302 Clone — Approximately 36 hours
- Case Material: 316L Stainless Steel, 41.0mm diameter, 51.0mm lug-to-lug, 168.3g
- Bezel: 316L Stainless Steel with white gold-plated hex screws
- Crystal: Scratch-resistant Sapphire with colorless AR coating
- Bracelet: Integrated 316L Steel, brushed finish, AP folding clasp
- Water Resistance: 30m — professional pressure test recommended before swimming
This piece is designed for the discerning collector seeking the most structurally accurate 15500ST available. Its precise 10.4mm profile ensures it slips seamlessly under a dress cuff while maintaining the bold wrist presence expected of a Royal Oak.

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