The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 42 mm (Ref. 26238CD.OO.1300CD.01) brings the brand’s signature chronograph into a new material dimension with a fully brushed and polished case and bracelet crafted from dark blue ceramic. Inspired by the iconic 1993 Offshore, this edition stays true to its sport-luxury DNA while embracing a contemporary palette and improved in-house mechanics. The result is a high-performance chronograph that merges AP’s technical expertise with one of its most historically significant designs.
Housed in a 42 mm case crafted entirely from dark blue ceramic, the Royal Oak Offshore Selfwinding Chronograph balances boldness with refined execution. The case measures 15.3 mm in thickness and features the signature octagonal bezel with exposed hexagonal screws, all rendered in matching ceramic for a monochromatic, ultra-modern look. Each surface is carefully hand-finished with a mix of brushed satin and polished bevels that enhance the iconic Royal Oak architecture.
The caseback is also crafted from dark blue ceramic and is fitted with a sapphire crystal to reveal the selfwinding flyback chronograph movement. The transparent caseback is secured with screws and provides a clear view of the calibre 4404 and its dedicated rotor finished with Geneva stripes.
A screw-down ceramic crown and matching chronograph pushers are positioned on the right side of the case, integrated seamlessly into the familiar Royal Oak Offshore profile. These elements, crafted in the same dark blue ceramic as the case, maintain the model’s cohesive aesthetic while ensuring functional durability. All topped by a flat sapphire crystal with anti-reflective treatment on both sides. Water resistance can reach up to 100 meters (330 feet).
The dial is designed to evoke both heritage and performance, presented in a two-tone layout that underscores the dark blue ceramic case. It features the iconic “Méga Tapisserie” guilloché pattern in grey, overlaid with applied white gold hour markers filled with Super-LumiNova. Contrasting dark blue registers at 3, 6, and 9 o’clock display the chronograph minutes, hours, and small seconds, respectively, framed by a matching dark blue inner bezel with a tachymeter scale.
Bold Royal Oak hands with luminescent coating ensure optimal readability, while a discreet date aperture is located between 4 and 5 o’clock, seamlessly integrated within the layout. The subtle play of grey and blue tones complements the ceramic case, creating a cohesive and visually balanced presentation.
Finishing details include the applied “Audemars Piguet” signature at 12 o’clock and polished surrounds on the sub-dials, enhancing the depth and legibility of the display without compromising the watch’s robust, utilitarian design.
Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 42 mm
The “Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 42 mm” (Ref#: 26238CD.OO.1300CD.01) is powered by the in-house self-winding mechanical movement, caliber 4404 with 40 jewels and 28,800 vph. This integrated flyback chronograph movement is equipped with a column wheel and vertical clutch for smooth operation, along with a patented zero-reset mechanism that ensures all hands return precisely to zero. Power reserve can last up to 70 hours when fully wound.
Mounted on this watch is a fully integrated dark blue ceramic bracelet, mirroring the tone and texture of the case for a seamless and contemporary aesthetic. Each link is hand-finished with satin brushing and polished chamfers, showcasing Audemars Piguet’s signature craftsmanship. The bracelet is secured to the wrist by a folding clasp in titanium, ensuring both durability and comfort.
For more up to date information visit the official Audemars Piguet website here.
MSRP: $91,300.00 USD

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