- Year
- 2026
- Condition
- Unworn
- Set
- Box and papers
- Movement
- Selfwinding (automatic)
- Size
- 41 mm
Set and condition
Complete set
This Royal Oak Selfwinding Chronograph is accompanied by its original presentation box, warranty card and supporting documentation. The watch and included items are inspected by an expert watchmaker before sale. Additional photographs and video of this piece are available on request.
Original presentation box
Original presentation box and packaging.
Original papers
Warranty card and supporting documentation.
Inspected prior to sale
Reviewed for condition, completeness and functionality. Additional details and photographs are available on request.
Condition photography
Additional close-up images of specific areas are available before purchase.
Overview
18-carat yellow gold, 41 mm
The Audemars Piguet Royal Oak Selfwinding Chronograph, reference 26240BA.OO.1320BA.02, in 18-carat yellow gold, 41 mm across, with a smoked "Grande Tapisserie" dial. Selfwinding flyback chronograph Calibre 4401.
The Audemars Piguet Royal Oak Selfwinding Chronograph, reference 26240BA.OO.1320BA.02, is cased in 18-carat yellow gold, 41 mm across and 12.4 mm high, with a glareproofed sapphire crystal and caseback. Water resistance is rated to 50 m. The dial is smoked yellow-gold-toned, with the "Grande Tapisserie" pattern, yellow gold applied hour-markers and Royal Oak hands filled with luminescent coating. The bracelet is 18-carat yellow gold, on an AP folding clasp.
The movement is Calibre 4401, a selfwinding calibre giving a flyback chronograph, hours, minutes, small seconds and date. It is 32 mm across and 6.8 mm high, built from 381 parts holding 40 jewels, and runs at 4 Hz (28,800 vph) with a power reserve of 70 hours.
For collectors
Audemars Piguet notes this as the first Royal Oak Selfwinding Chronograph where a yellow gold case is matched with a bracelet in the same metal, worn beneath a dial toned in smoked yellow gold with the "Grande Tapisserie" pattern.
Key details
Design and engineering
- Case18-carat yellow gold, 41 mm across and 12.4 mm high, with a glareproofed sapphire crystal and caseback. Water resistance is rated to 50 m.
- DialSmoked yellow-gold-toned, with the "Grande Tapisserie" pattern, yellow gold applied hour-markers and Royal Oak hands filled with luminescent coating.
- Bracelet18-carat yellow gold, on an AP folding clasp.
Calibre 4401
- Selfwinding
- Flyback chronograph, hours, minutes, small seconds and date
- 32 mm across, 6.8 mm high; 381 parts, 40 jewels
- 4 Hz (28,800 vph)
- Power reserve 70 h
The reference
Technical specifications
| Reference | 26240BA.OO.1320BA.02 |
|---|---|
| Collection | Royal Oak |
| Calibre | Calibre 4401 |
| Movement | Selfwinding (automatic) |
| Functions | Flyback chronograph, hours, minutes, small seconds and date. |
| Case dimensions | 41 mm |
| Case material | 18-carat yellow gold |
| Dial | Smoked yellow-gold-toned Grande Tapisserie dial |
| Bracelet | Yellow gold, AP folding clasp |
Buying with HYPA
Purchase with confidence
- Original warranty card included, dated 2026
- Free insured delivery within Australia and Hong Kong · elsewhere quoted
- Payment by bank transfer
- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
- Direct specialist supportSpeak with the HYPA team before, during and after the purchase.
- Rated 5.0 on Google · 11 reviewsFrom clients of HYPA International on Google. Read the reviews
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