Selfwinding Chronograph
26240ST.OO.1320ST.05
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- 41 mm · Stainless steel
- Thickness
- 12.4 mm
- Water
- 50 m
- Calibre
- 4401 · 70 h
- Dial
- Blue
- Bracelet
- Bracelet
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General
- Model name
- Selfwinding Chronograph
- Collection
- Royal Oak
- Status
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Description
The Audemars Piguet Selfwinding Chronograph 26240ST.OO.1320ST.05 is a watch from the Royal Oak collection. It is in production. It has a 41 mm stainless steel case, 12.4 mm thick and water-resistant to 50 m. It has a blue Grande Tapisserie dial with applied baton indices. It uses the automatic calibre 4401, with a 70-hour power reserve. Its functions include date, chronograph, flyback chronograph and small seconds. It comes on a stainless steel bracelet with a folding clasp.
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Provenance and history
| When (UTC) | Field | Change | By |
|---|---|---|---|
| 23 Oct 2026 15:44 | caliber_id | — → 139 | Audemars Piguet |
| 23 Oct 2026 15:44 | water_resistance_m | — → 50 | Audemars Piguet |
| 23 Oct 2026 15:44 | production_status | unknown → in_production | Audemars Piguet |
| 23 Oct 2026 15:44 | power_reserve_hours | — → 70 | Audemars Piguet |












