Audemars Piguet Royal Oak Perpetual Calendar, Ref. 26574ST.OO.1220ST.02

【Case Construction】
• Reference-based specification: Royal Oak Perpetual Calendar stainless steel case, 41 mm in diameter and 9.5 mm in thickness, based on AP Reference 26574ST.
• The slim integrated case gives the complicated watch an elegant Royal Oak profile.
• The brushed steel bracelet balances technical complication with everyday wearability.

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【Dial Highlights】
• The blue tapisserie dial creates strong visual depth.
• Calendar sub-dials display day, date, month, moon phase, and leap-year cycle.
• The moon phase at 6 o’clock adds classic high-complication character.
• The outer calendar scale gives the dial a technical, collector-focused look.

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【Crystal】
• Sapphire-style crystal provides a clear view of the perpetual calendar layout.
• The crystal helps maintain readability across the complex dial.

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【Movement】
• Powered by an automatic perpetual calendar-style movement.
• The mechanical calendar complication gives the watch strong horological value.

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【Bracelet & Clasp】
• Integrated stainless steel bracelet completes the iconic Royal Oak form.
• The AP-style clasp provides secure and refined wear.