Audemars Piguet 15550ST.OO.1356ST.08 Royal Oak Selfwinding Stainless Steel Ice Blue Dial Watch

Audemars Piguet Royal Oak Selfwinding 37 mm – Ref. 15550ST.OO.1356ST.08

The Audemars Piguet Royal Oak Selfwinding (Ref. 15550ST.OO.1356ST.08) debuted in 2022 as part of the brand’s refined Royal Oak resurgence. This 37 mm stainless steel expression features a captivating light blue “Grande Tapisserie” dial—often dubbed “ice blue”—that balances sporting heritage with contemporary elegance. Powered by Audemars Piguet’s in‑house Calibre 5900, it offers robust performance in a compact, modern form.

Case Bracelet

• Material Size: The 37 mm case is crafted in polished and brushed stainless steel, measuring a slender 9.1 mm thick. It features glare‑proofed sapphire crystals on both front and exhibition back, with a 50 m water resistance rating—ideal for daily wear.
• Design Refresh: Introduced in the 2022 Royal Oak update, this model features refined bezel angles, tapered lugs, and improved bracelet comfort compared to earlier 37 mm versions.
• Bracelet: Integrated stainless steel bracelet with brushed outer links and polished bevels, secured by AP’s folding clasp—ensuring a perfect blend of elegance and durability.

Dial Hands

Beneath the anti‑reflective sapphire rests a light blue “Grande Tapisserie” dial, which subtly deepens toward the periphery. Applied white‑gold hour markers and Royal Oak hands feature luminescent coating to enhance readability, while the minimalist date window at 3 o’clock complements the design’s clean aesthetic.

Movement: Calibre 5900

• Automatic Excellence: The in-house Calibre 5900 movement operates at 4 Hz (28,800 vph) and delivers a generous 60‑hour power reserve, perfectly suited to the watch’s size and daily use.
• Precision Display: Featuring central hours, minutes, seconds, and a discreet date, the calibre’s finishing—including beveled bridges, Geneva stripes, and circular graining—is visible through the exhibition caseback.

Unique Characteristics

Ref. 15550ST.OO.1356ST.08 is notable for its light-blue “ice blue” dial—a fresh hue in the mid‑size Royal Oak lineup that resonates with contemporary style trends. The 37 mm stainless-steel case is deliberately unisex, offering a balanced presence on smaller and larger wrists alike. Combined with the robust, long-running Calibre 5900, it transitions seamlessly from everyday luxury to weekend performance.

Technical Summary

• Reference: 15550ST.OO.1356ST.08
• Case: 37 mm × 9.1 mm; stainless steel; 50 m WR
• Dial: Light blue “Grande Tapisserie”; white-gold indices and lumed hands
• Movement: Calibre 5900 automatic; 4 Hz; ~60 h power reserve
• Bracelet: Integrated stainless steel with AP folding clasp

Conclusion

The Audemars Piguet Royal Oak Selfwinding 37 mm Ref. 15550ST.OO.1356ST.08 perfectly balances heritage and modernity. Its captivating light‑blue dial refreshes the iconic Royal Oak design, while the high-performance Calibre 5900 and refined case proportions ensure it wears beautifully on a wide range of wrists. This watch is a quietly stylish yet unmistakably luxurious companion for today’s refined collector.