Watch of the Day · 2026-09-21 · from the archive
Audemars Piguet Royal Oak Skeletonized Perpetual Calendar
Ref. 25829ST · Stainless Steel — one documented result from the 1,183-lot MostExpensiveWatches auction record, featured today.
A modern classic in stainless steel, this skeletonized perpetual calendar represents the pinnacle of the 39mm Royal Oak complication lineage.
Achieving $238,140 at Christie's Geneva in 2022, this stainless steel Audemars Piguet Royal Oak Skeletonized Perpetual Calendar ref. 25829ST represents the pinnacle of the 39mm Royal Oak complication lineage. Documented as a modern classic, it sits within a corpus of 65 Audemars Piguet auction results, where the overarching brand record was set by the Grosse Pièce at $7,736,000 in 2025.
Full lot record & sources All Audemars Piguet results The Grail Index
Previous watches of the day
| Date | Watch | Result |
|---|---|---|
| 2026-10-10 | Rexhep Rexhepi Chronomètre Contemporain I | $920,000 · Phillips Geneva · 2023 |
| 2026-10-09 | Voutilainen Vingt-8 Hisui Unique Piece | $561,834 · Phillips Hong Kong · 2022 |
| 2026-10-08 | Rolex Cosmograph Daytona "Paul Newman" | $447,392 · Antiquorum Monaco · 2026 |
| 2026-10-07 | Patek Philippe "South America" World Time | $10,247,000 · Phillips Geneva · 2026 |
| 2026-10-06 | Patek Philippe Aquanaut Luce Rainbow | $478,000 · Phillips New York · 2023 |
| 2026-10-05 | Urwerk UR-CC1 King Cobra | $148,590 · Christie's Hong Kong · 2025 |
| 2026-10-04 | Patek Philippe Perpetual Calendar Automatic (with Leap Year) | $322,000 · Phillips Geneva · 2022 |
| 2026-10-03 | Vacheron Constantin King Fouad I Pocket Watch | $2,755,000 · Antiquorum Geneva · 2005 |
| 2026-10-02 | Voutilainen Vingt-8 | $138,176 · Sotheby's Hong Kong · 2024 |
| 2026-10-01 | A. Lange & Söhne Tourbillon 'Pour le Mérite' (1994) | $285,000 · Phillips Geneva · 2023 |
| 2026-09-30 | Voutilainen Reference 217QRS Retrograde Date | $146,050 · Sotheby's New York · 2023 |
| 2026-09-29 | Audemars Piguet Royal Oak Perpetual Calendar Openworked | $695,000 · Phillips Geneva · 2022 |
| 2026-09-28 | Panerai Radiomir Guido Panerai & Figlio | $391,000 · Phillips Geneva · 2023 |
| 2026-09-27 | Bovet Miss Audrey Sweet Fairy Only Watch | $247,000 · Christie's Geneva · 2021 |
About this series
Every day MostExpensiveWatches features one documented auction result from its comp corpus — hammer prices with primary sources, the record layer behind the Grail Index and the daily Price Index. Machine-readable: /data/watch-of-the-day.json. Cite as “MostExpensiveWatches Watch of the Day”.
Compiled: 2026-09-21T00:15:25.754937+00:00