· Royal Oak
Perpetual Calendar "150th Anniversary"
26585XT.OO.1220XT.01
- Diameter
- 41mm
- Thickness
- 9.9mm
- Size
- Large
- Water resistance
- 20m
- Movement
- Audemars Piguet 5135
- Type
- Integrated Sports
- Case material
- Titanium
- Case shape
- Round
- Dial
- Skeleton
- Dial finish
- Skeletonized
- Complications
- Perpetual Calendar, Moon Phase, Other
- Crystal
- Sapphire dial (openworked/skeletonized)
- Power reserve
- 40h
- Straps
- Integrated Bracelet
- Production
- In production
- Limited edition
- Limited to 150
- Origin
- Swiss (Heritage)
- Era
- Contemporary
Reviews
Reviews of the Royal Oak line
Audemars Piguet Royal Oak Perpetual Calendar 25820ST.OO.0944ST.03 Watch Review
The 1916 Company · Jun 11, 2026 · 7:40
Watch from 0:13
Audemars Piguet Royal Oak 50th Anniversary 15510ST.OO.1320ST.03
The 1916 Company · May 30, 2026 · 7:04
Watch from 0:24
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