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Audemars Piguet
Royal Oak Perpetual Calendar Openworked 41 150th Anniversary
Reference 26585XT.OO.1220XT.01
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The Royal Oak Perpetual Calendar Openworked ref. 26585XT.OO.1220XT.01 debuted in 2025, marking 150th anniversary of Audemars Piguet, and the end of of caliber AP 5135 - which is dressed-up for the occasion, The 41 mm case combines a bezel and caseback frame in BMG (Bulk Metallic Glass) with a titanium case middle and screw-locked crown.
- Brand
- Audemars Piguet
- Model
- Royal Oak Perpetual Calendar Openworked 41 150th Anniversary
- Reference
- 26585XT.OO.1220XT.01
- Category
- Royal Oak
- Year introduced
- 2025
- Movement
- Audemars Piguet caliber AP 5135 Hours, Minutes | Date, Day, Leap Year, Month, Week Indicator | Moonphase
- Case diameter
- 41 mm
- Dial color
- Skeleton
- Crystal
- Sapphire
- Case back
- Open
- Water resistance
- 20 m
- Complications
- Date, Day, Moon Phase