The Audemars Piguet Royal Oak Selfwinding Chronograph 41mm 18K Rose Gold Reference 26331OR is a Monte-Carlo registered luxury timepiece crafted in 18K Rose Gold Au750 (41.0 mm x 12.4 mm) with a verified Mettler-Toledo analytical weight of 246.2g, powered by Audemars Piguet Cal. 2385 Column-Wheel Chronograph beating at 28,800 vph (+0.7 s/d, 297 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 50m / 5 ATM water resistance.
| Entity, Maison & Official Reference | Audemars Piguet — Royal Oak Selfwinding Chronograph 41mm | Ref. 26331OR | SKU: MC-AU750-26331OR-W523 |
|---|---|
| Precious Metal Alloy & XRF Purity | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Verified Total Mass (Mettler-Toledo Scale) | 246.2g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Architecture & Gem-Setting Spec | Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal • 246.2g 18K Rose Gold • 41.0 mm x 12.4 mm |
| Swiss Super Clone Movement Calibre | Audemars Piguet Cal. 2385 Column-Wheel Chronograph — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 297 deg |
| Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Water Resistance | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| Dial Finishing & Hallmarked Bracelet Clasp | 41.0 mm x 12.4 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Recorded in our Monte-Carlo solid 18K gold Audemars Piguet register, the Audemars Piguet Royal Oak Selfwinding Chronograph 41mm 18K Rose Gold Reference 26331OR unites authentic Geneva proportions (41.0 mm x 12.4 mm) with a certified 18K Rose Gold Au750 mass of 246.2g. Every detail of the Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.
Within the same Audemars Piguet horological silo, collectors also compare the Audemars Piguet Royal Oak Selfwinding 41mm 18K Rose Gold Custom Tapestry Dial Deep Crystal Optics Ref. 15500OR.OO.D002CR.01 (138.1g) and the Audemars Piguet Royal Oak Mini Frosted Gold 23mm 18K Yellow Gold Ref. 67630BA.GG.1312BA.01 (73.1g).
This Audemars Piguet Royal Oak Selfwinding Chronograph 41mm 18K Rose Gold Ref. 26331OR weighs 246.2g in 18K Rose Gold Au750, matching the exact authentic factory weight on our Monte-Carlo showroom Mettler-Toledo analytical balance.
Yes. All 9 gallery plates show the actual timepiece captured across multiple studio angles on our quality-control bench with zero stock renders.
Reference 26331OR is powered by the Audemars Piguet Cal. 2385 Column-Wheel Chronograph (28,800 vph, 72-hour power reserve, regulated to +0.7 s/d, 297 deg). Message our Monte-Carlo Private Client Concierge on WhatsApp (+1 305 724 0661) for your personalized 4K video dossier.
Monte-Carlo Reference Register • 246.2g 18K Rose Gold Au750 • Audemars Piguet Cal. 2385 Column-Wheel Chronograph
