Audemars Piguet Royal Oak Perpetual Calendar Openworked 41 150th Anniversary 26585XT.OO.1220XT.01
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…
| Reference | 26585XT.OO.1220XT.01 |
|---|---|
| Collection | Royal Oak |
| Case diameter | 41 mm |
| Case material | Titanium, BMG |
| Case shape | Other |
| Case back | Open |
| Movement | Audemars Piguet caliber AP |
| Water resistance | 20 m |
| Dial colour | Skeleton |
| Indexes | Gem-Set Indexes |
| Hands | Stick |
| Crystal | Sapphire |
| Year introduced | 2025 |
| Limited edition | Yes |
This is a reference-catalog entry for the Audemars Piguet Royal Oak Perpetual Calendar Openworked 41 150th Anniversary 26585XT.OO.1220XT.01. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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