Athtudemars Pthtiguet Royal Oak Perpetual Calendar - Silver

Case​​

• ​​Material​​: Stainless steel
• ​​Diameter​​: 41 mm
• ​​Water Resistance​​: 50 meters

​​Dial​​

• Blue “Grande Tapisserie” guilloché pattern with tone-on-tone subdials.
• Matching blue inner bezel.
• 18-carat white gold hour-markers and luminescent-coated hands for enhanced legibility in low light.

​​Bracelet​​

• Integrated stainless steel bracelet.
• Features an exclusive AP folding clasp for seamless aesthetics and comfort.

​​Movement: Calibre 7138​​

• ​​Functions​​: Perpetual calendar with week display, day, date, astronomical moon phase, month, leap year indicator, hours, and minutes.
• ​​Mechanism​​: Self-winding.
• ​​Frequency​​: 4 Hz (28,800 vibrations per hour).
• ​​Total Diameter​​: 29.6 mm
• ​​Thickness​​: 4.1 mm
• ​​Power Reserve​​: 55 hours
• ​​Number of Jewels​​: 41
• ​​Number of Parts​​: 423
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