Audemars Piguet Royal Oak Selfwinding Chronograph, Ref. 26331ST.OO.1220ST.01

【Case Construction】
• Reference-based specification: Royal Oak Selfwinding Chronograph stainless steel case, 41 mm in diameter and 12.4 mm in thickness, based on AP’s 26240ST chronograph family.
• The brushed octagonal bezel and integrated bracelet create the classic Royal Oak chronograph profile.
• Chronograph pushers on the right side add a technical sports-watch character.

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【Dial Highlights】
• The blue “Grande Tapisserie” dial gives the watch a refined and iconic Royal Oak appearance.
• Three silver-toned sub-dials create a classic reverse-panda chronograph layout.
• Applied hour markers and luminous Royal Oak hands maintain strong readability.
• The date window adds daily practicality.

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【Crystal】
• Sapphire-style crystal keeps the blue dial and chronograph counters clear.
• The crystal highlights the tapisserie texture and polished marker details.

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【Movement】
• Powered by an automatic chronograph-style movement.
• The chronograph layout supports central timing seconds, sub-dial measurement, and date display.

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【Bracelet & Clasp】
• Integrated stainless steel bracelet gives the watch a solid luxury-sport feel.
• Brushed links with polished accents create the signature Royal Oak finishing effect.