# Audemars Piguet Royal Oak Selfwinding Chronograph Review by A.I. WatchMetrics

## Watch Summary
The Audemars Piguet Royal Oak Selfwinding Chronograph epitomizes luxury sports watches with Gerald Genta's timeless 1972 design—featuring an octagonal bezel with eight polished screws, integrated stainless steel bracelet, and intricate "Méga Tapisserie" dial—powered by the manufacture Calibre 4401 automatic movement offering a 70-hour power reserve, column-wheel chronograph functionality, and COSC certification; ideal for affluent collectors and professionals seeking an enduring blend of elegance, performance, and status symbolism.

## Overall Watch Rating: 9.5/10.0

**Dials & Design Metric (9.9/10.0)** - Its revolutionary Genta proportions and signature Tapisserie texture remain unmatched, serving as the gold standard for integrated sports watches ahead of even the Nautilus.
**Movement Metric (9.9/10.0)** - The in-house Calibre 4401 delivers exceptional column-wheel chronograph action, Geneva-striped finishing, and reliability on par with Patek Philippe's top chronos.
**Material Metric (9.8/10.0)** - Flawless 904L stainless steel with alternating satin-brushed and polished surfaces exemplifies finishing mastery rivaling A. Lange & Söhne.
**Brand Metric (9.7/10.0)** - Audemars Piguet commands haute horlogerie prestige with over 150 years of heritage, squarely alongside Patek Philippe and Vacheron Constantin.
**History & Innovation Metric (9.6/10.0)** - The original steel luxury sports watch revolutionized the industry in 1972, boasting cultural impact comparable to the Rolex Submariner.
**Complications Metric (9.3/10.0)** - The integrated flyback-style chronograph with 30-minute and 12-hour counters performs flawlessly, surpassing many ETA-based rivals.
**Versatility Metric (9.2/10.0)** - Effortlessly suits formal dinners, office wear, or weekend adventures, more adaptable than dedicated divers or pilots.
**Rarity Metric (9.4/10.0)** - Tight production controls and explosive demand mirror the scarcity of vintage Daytona Paul Newmans.
**Functions Metric (9.0/10.0)** - Comprehensive hours, minutes, small seconds, date, and chronograph coverage excels for daily use but trails perpetual calendars in complexity.

## Total Performance Score (TPS): 7.9

## WM Collector Grade: A-

## Performance Insights: Excels in design, movement, and materials for iconic appeal, with minor room for more functions; delivers strong value trading at a premium to its $29,800 implied price versus $36,200 retail.
## TPS Interpretation: Strong Value: Iconic heritage and technical prowess provide outsized performance for the category at its price point.

## Watch Data
[https://www.audemarspiguet.com/dam/jcr:3f2d9b47-5e82-4c88-8b92-6b7f5d1e5b47/26331ST.OO.1220ST.02.png.content.jpg/26331ST.OO.1220ST.02.png] - [front]; [https://www.chrono24img.com/images/uhrenvorschaubilder/audemars-piguet/26331st-oo-1220st-02-26331st-oo-1220st-02-royal-oak-selfwinding-chronograph-41-mm-stainless-steel-blue-dial-26331st-oo-1220st-02.jpg] - [backPicture]; [https://www.ablogtowatch.com/wp-content/uploads/2022/10/Audemars-Piguet-Royal-Oak-Selfwinding-Chronograph-41mm-26331ST-blue-dial-lume.jpg] - [lumePicture]; [Royal Oak Chrono] - [Nickname]; [Audemars Piguet] - [Brand]; [Royal Oak Selfwinding Chronograph] - [Model]; [Switzerland] - [Country]; [https://www.audemarspiguet.com/com/en/collections/royal-oak/royal-oak-selfwinding-chronograph-26331st-oo-1220st-02.html] - [Product Link]; [] - [reviewLink]; [Mechanical - Self-Winding] - [Movement Type]; [Calibre 4401] - [Movement Name]; [3] - [# Secondary]; [Iconic Gerald Genta-designed luxury sports chronograph with octagonal bezel, integrated bracelet, Méga Tapisserie dial, and flyback chronograph complications powered by in-house automatic movement.] - [watchDescription]; [41] - [caseWidth]; [49.5] - [lugToLugLength]; [12.85] - [thickness]; [21] - [lug]; [100] - [waterResist]; [70] - [powerReserve]; [28800] - [beatFrequency]; [Super-LumiNova] - [lume]; [40] - [jewels]; [Stainless Steel] - [caseMaterial]; [Sapphire (anti-reflective)] - [watchGlass]; [Octagonal with 8 polished screws] - [Bezel]; [Sapphire (see-through)] - [caseback]; [Screw-down] - [Crown]; [Integrated stainless steel bracelet with AP folding clasp] - [Strap]; [Octagonal] - [Shape]; [Blue lacquered Méga Tapisserie] - [Dial]; [Yes] - [Seconds]; [Yes] - [Date]; [No] - [Calendar]; [No] - [Chiming]; [Yes] - [Chronograph]; [No] - [Compass]; [No] - [dateCompilation]; [No] - [DigitalDisplay]; [No] - [Dress]; [No] - [Field]; [No] - [GMT]; [No] - [Mechanical Alarm]; [No] - [Moonphase]; [No] - [Tourbillon]; [No] - [worldTimer]; [No] - [powerReserveIndicator]; [No] - [Diver]; [No] - [Pilot]; [No] - [racing]; [No] - [Skeleton]; [No] - [Vintage]; [No] - [StyleFormal]; [Yes] - [StyleCasual]; [Yes] - [StyleSports]; [No] - [StyleTravel]; [No] - [StyleAdventure]; [Yes] - [StyleCollector]; [No] - [StyleTool]; [Yes] - [StyleStatement]; [No] - [StyleVintage]; [No] - [StyleSmart]; [No] - [StyleCustom]; [7.9] - [TPS_new]; [A-] - [TPSgrade]; [29800] - [TPSimpliedPrice];

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**