| Brand |
Audemars Piguet |
| Model |
Royal Oak Perpetual Calendar "150th Anniversary" |
| Reference Number |
26585XT.OO.1220XT.01 |
| Production Year |
2025 |
| Box/Papers |
Box & Papers |
| Case Material |
Titanium |
| Case Size |
41 mm |
| Water Resistance |
20 meters |
| Dial Type |
Sapphire dial |
| Dial Details |
Blue counter surrounds, matching inner bezel, 18-carat white gold round hour-markers, blue bathtub hands filled with luminescent material |
| Bracelet |
Integrated bracelet combining BMG studs with titanium links |
| Clasp |
AP folding clasp |
| Movement |
Selfwinding |
| Caliber |
5135 |
| Functions |
Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours, and minutes |
| Number of Jewels |
38 |
| Power Reserve |
40 hours |
| Total Diameter |
29 mm |
| Number of Parts |
374 |
| Frequency |
2.75 Hz (19,800 vph) |
| Movement Thickness |
4.5 mm |
| Warranty |
Two-year warranty |
