| Brand | 
Audemars Piguet | 
| Model | 
Royal Oak Perpetual Calendar | 
| Reference Number | 
26674SG.OO.1320SG.01 | 
| Production Year | 
2025 | 
| Box/Papers | 
Box & Papers | 
| Case Material | 
18-carat sand gold | 
| Case Size | 
41 mm | 
| Water Resistance | 
50 meters | 
| Dial Type | 
Sand gold-toned "Grande Tapisserie" dial | 
| Dial Details | 
Matching inner bezel, tone-on-tone subdials with black indicators, 18-carat white gold hour-markers, and hands filled with luminescent material | 
| Bracelet | 
Integrated bracelet entirely crafted in 18-carat sand gold | 
| Clasp | 
AP folding clasp | 
| Movement | 
Selfwinding | 
| Caliber | 
7138 | 
| Functions | 
Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours, and minutes | 
| Number of Jewels | 
41 | 
| Power Reserve | 
55 hours | 
| Total Diameter | 
29.6 mm | 
| Number of Parts | 
423 | 
| Frequency | 
4 Hz (28,800 vph) | 
| Movement Thickness | 
4.1 mm | 
| Warranty | 
Two-year warranty |