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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Audemars Piguet offers malachite-dial Royal Oak Selfwinding watches in both 37 mm and 41 mm sizes. The 37 mm model is reference 15553BA.OO.1356BA.04; the 41 mm is reference 15513BA.OO.1320BA.01. Both combine natural green malachite with 18-carat yellow gold. The key choice is case size and fit; malachite’s natural banding also means each dial has its own appearance.
Which malachite Royal Oak references are available?
Audemars Piguet’s US product pages identify the two watches as Royal Oak Selfwinding references 15553BA.OO.1356BA.04 (37 mm) and 15513BA.OO.1320BA.01 (41 mm). The brand describes the smaller reference as a new 37 mm combination of 18-carat yellow gold and vibrant malachite, and the larger as natural malachite with yellow gold. See the official 37 mm model page and official 41 mm model page.
How do the 37 mm and 41 mm models compare?
| Specification | 37 mm | 41 mm |
|---|---|---|
| Reference | 15553BA.OO.1356BA.04 | 15513BA.OO.1320BA.01 |
| Case material and dial | 18-carat yellow gold; malachite | 18-carat yellow gold; malachite |
| Movement | Calibre 5909, self-winding (Timekeepers Club, February 5, 2026) | Calibre 4309, self-winding (Timekeepers Club, February 5, 2026) |
| Power reserve | 60 hours minimum, as reported by Timekeepers Club on February 5, 2026 | 70 hours minimum, as reported by Timekeepers Club on February 5, 2026 |
| Thickness | 9.3 mm, as reported by Timekeepers Club on February 5, 2026 | 10.5 mm, as reported by Timekeepers Club on February 5, 2026 |
| Water resistance | 50 m, as reported by Timekeepers Club on February 5, 2026 | 50 m, as reported by Timekeepers Club on February 5, 2026 |
| Functions | Hours, minutes, central seconds (Timekeepers Club, February 5, 2026) | Hours, minutes, central seconds (Timekeepers Club, February 5, 2026) |
The detailed movement and case figures above come from Timekeepers Club’s secondary model report; the retrieved AP product pages do not provide full specification tables. The smaller case is also thinner in those reported figures, while the 41 mm has the longer reported minimum reserve. Wrist fit and preferred visual scale are therefore useful starting points, but try each size on if possible rather than treating diameter alone as a fit guarantee.
What makes a malachite dial different?
Malachite is a natural stone, so its green hue and banding vary from dial to dial. Timekeepers Club’s February 5, 2026 report describes the stone as fragile during preparation: it says the material is ground and hand-polished to a thickness of a few tenths of a millimeter, then carefully drilled for the hands and gold markers. That construction helps explain why two watches of the same reference need not have identical dial patterns. The report is secondary coverage, not an AP technical specification.
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Are these limited editions?
Fratello reported on February 3, 2026 that the models were regular-catalog additions. Wallpaper* also described them as series-production rather than limited editions. Those are secondary-source characterizations; they do not establish current production status, allocation, or boutique stock. Ask an Audemars Piguet boutique about present availability.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How much do the malachite Royal Oaks cost?
Fratello’s February 3, 2026 launch coverage reported euro retail prices of €69,000 for the 37 mm reference and €74,600 for the 41 mm reference. Timekeepers Club reported CHF 59,800 and CHF 64,700, respectively, in its February 5, 2026 model report. These dated figures are in different currencies and may reflect differences in region, source, or timing; they are not a single current global price. Contact AP or a local boutique for current pricing and availability.
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- Compatibility: Audemars Piguet Royal Oak
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
