Audemars Piguet Code 11.59

• Case: Stainless steel case with a double glareproofed sapphire crystal and caseback, 41mm — part of AP's steel expansion of the Code 11.59 line
• Dial: "Bleu Nuit, Nuage 50" dial with a contrasting grey inner bezel — a textured dial with a concentric circle pattern and hundreds of tiny perforations, creating depth and visual interest that changes with the light
• Hands/markers: White gold hour markers and hands with luminescent coating
• Strap: Blue rubber-coated strap with a stainless steel pin buckle — textile-finish on the surface as shown in your photo
• Functions: Hours, minutes, center seconds, and date at 3 o'clock
• Context: 2023 was a pivotal year for the collection — stainless steel entered Code 11.59 for the first time, with six new references introduced alongside this fresh guilloché dial pattern
This shares the same case architecture and dial technique as the green Code 11.59 you showed earlier, just in AP's signature "Bleu Nuit" colorway.