- Year
- 2026
- Condition
- Unworn
- Set
- Box and papers
- Size
- 41 mm
Set and condition
Complete set
This Royal Oak Double Balance Wheel Openworked 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 Double Balance Wheel Openworked, reference 15407BA.OO.1220BA.01, in 18-carat yellow gold, 41 mm across, with a blackened openworked movement and inner bezel. Selfwinding Calibre 3132, with hours, minutes and centre seconds.
The Audemars Piguet Royal Oak Double Balance Wheel Openworked, reference 15407BA.OO.1220BA.01, is cased in 18-carat yellow gold, 41 mm across and 10.1 mm high, with a glareproofed sapphire crystal and caseback. Water resistance is rated to 50 m. The movement is openworked, with a blackened inner bezel, 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 3132, a selfwinding calibre giving hours, minutes and centre seconds, visible through the openworked construction. It is 26.6 mm across and 4.4 mm high, built from 245 parts holding 38 jewels, and runs at 3 Hz (21,600 vph) with a power reserve of 45 hours.
Key details
Design and engineering
- Case18-carat yellow gold, 41 mm across and 10.1 mm high. Glareproofed sapphire crystal and caseback; water resistance rated to 50 m.
- DialOpenworked, with a blackened inner bezel, yellow gold applied hour-markers and Royal Oak hands filled with luminescent coating.
- Bracelet18-carat yellow gold, on an AP folding clasp.
Calibre 3132
- Selfwinding
- Hours, minutes and centre seconds
- 26.6 mm across, 4.4 mm high; 245 parts, 38 jewels
- 3 Hz (21,600 vph)
- Power reserve 45 h
The reference
Technical specifications
| Reference | 15407BA.OO.1220BA.01 |
|---|---|
| Collection | Royal Oak |
| Calibre | Calibre 3132 |
| Functions | Hours, minutes, centre seconds |
| Case dimensions | 41 mm |
| Case material | 18-carat yellow gold |
| 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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