| 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 |
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