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Audemars Piguet Royal Oak Perpetual Calendar Openworked 26685XT.OO.1320XT.01
Reference

Audemars Piguet Royal Oak Perpetual Calendar Openworked 26685XT.OO.1320XT.01

The Audemars Piguet Royal Oak Selfwinding Perpetual Calendar 26685XT.OO.1320XT.01 debuted in 2026 as part of the Royal Oak collection, introducing the openworked perpetual calendar Calibre 7139 in a titanium and Bulk Metallic Glass (BMG) case configuration.The watch is housed in a 41 mm case crafted from titanium,…

Reference26685XT.OO.1320XT.01
CollectionRoyal Oak
Case diameter41 mm
Case materialTitanium, BMG
Case shapeOther
Case backOpen
MovementAudemars Piguet caliber AP
Water resistance20 m
Dial colourSkeleton
Dial finishGloss
IndexesStick / Dot
HandsStick
CrystalSapphire
Year introduced2026
Limited editionYes

This is a reference-catalog entry for the Audemars Piguet Royal Oak Perpetual Calendar Openworked 26685XT.OO.1320XT.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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