Audemars Piguet Royal Oak Chronograph 26331ST.OO.1220ST.01 Blue & Silver Dial
Original price was: $1,599.00.$1,099.00Current price is: $1,099.00.
This is the Royal Oak Chronograph 26331ST to buy if case profile matters as much as dial execution. The deep blue Grande Tapisserie dial, silver chronograph registers, and slim 11.2mm APS build give it the right Royal Oak balance on the wrist instead of the taller stance seen on older 7750-based versions. You also get the correct 3-6-9 sub-dial layout, integrated steel bracelet, and date at 4:30. The detailed description matters here because this reference is defined by proportion, contrast, and how the bracelet and case work together.
Blue tapisserie and silver registers make this reference
The first thing that decides the 26331ST.OO.1220ST.01 is the dial. Here you get a deep blue Grande Tapisserie base with contrasting silver sub-dials, applied baton markers, and a dark-framed date at 4:30. That combination gives this Royal Oak Chronograph the crisp, technical look collectors usually want from the steel blue-and-silver version. The sub-dials sit at 3, 6, and 9 o'clock, and the contrast between the textured main dial and the smoother, lighter registers keeps the display legible without losing the layered Royal Oak character.
On the wrist, that contrast matters even more than it does in still photos. The blue dial changes tone with light, while the silver counters break up the surface so the watch never reads flat. If you are comparing references within the Royal Oak Chronograph family, this is one of the strongest all-rounders because it keeps the iconic steel case and bracelet look but adds enough dial separation to feel sharper and sportier than a more monochrome layout.
The 11.2mm case profile is the reason many buyers choose APS
For this specific watch, the strongest technical argument is the case thickness. APS built this version around its Clone Calibre 2385 and brought the case down to 11.2mm. That matters because older 7750-based alternatives often sit noticeably thicker, which changes the side profile and gives the watch a heavier, more top-loaded stance. The Royal Oak Chronograph should look broad, angular, and compact rather than tall, and this version gets much closer to that proportion.
If you wear tailoring, knitwear, or simply prefer your chronograph to sit flatter, this is not a minor specification detail. It changes how the octagonal bezel meets the wrist, how the bracelet drops away from the case, and how natural the watch feels through a full day. For knowledgeable buyers deciding between factories, that slimmer profile is the practical reason this execution stands out.
Royal Oak finishing only works when the surfaces stay crisp
The appeal of any Royal Oak comes down to surface transitions, and this watch leans into that. The 41mm steel case uses the familiar mix of brushed planes and polished bevels, with the brushed octagonal bezel fixed by polished hexagonal screws. In the photos, the bezel brushing reads clean and directional, while the polished chamfers around the case and bracelet add the brightness that keeps the watch from looking dull or blocky.
The integrated steel bracelet is just as important as the head of the watch. Its taper and articulation are part of the Royal Oak identity, and this piece keeps that continuous visual line from the case into the bracelet links. Instead of treating the bracelet as an accessory, this reference relies on it as part of the design language, which is why the whole watch looks coherent from every angle.
Chronograph layout and daily use
This model runs on the APS Clone Calibre 2385 with approximately 36 hours of power reserve. The chronograph display is laid out in the correct 3-6-9 format, and the watch includes a date display at 4:30. That gives you the visual balance expected from the 26331ST while preserving the clean spacing that enthusiasts look for on this reference.
There is also a practical point worth noting for careful buyers: the date wheel sits slightly deeper than genuine, and the date font appears a touch thinner under magnified inspection. In normal wear, what dominates is still the strong dial composition, the slim case profile, and the integrated bracelet fit. For most buyers considering this exact model, those are the details that make the watch convincing and enjoyable to wear day to day.
Who this 26331ST suits best
This is the right choice for the buyer who wants the Royal Oak Chronograph look with proper visual balance instead of just the name and dial color. The blue-and-silver dial gives it presence, the 41mm steel case keeps the familiar Royal Oak architecture, and the 11.2mm thickness is the feature that separates it from bulkier alternatives. If your standard is not just front-on appearance but side profile, bracelet integration, and overall proportion, this version makes a very solid case for itself.
Watch specification
Configuration summary for this watch
| Brand | Audemars Piguet |
|---|---|
| Movement | APS Clone Calibre 2385 |
| Case Material | 316L Stainless Steel |
| Bezel | 316L stainless steel octagonal bezel with polished hexagonal screws |
| Crystal | Scratch-resistant sapphire with colorless AR coating |
| Bracelet | Integrated 316L steel bracelet with AP double deployant clasp |
| Water Resistance | 30m |
Buyer Q&A
Questions about this Audemars Piguet watch
Why do experienced buyers focus on the thickness of this APS 26331ST?
Because this version measures 11.2mm thick, which keeps the Royal Oak Chronograph closer to the slim, flat profile collectors expect. That is the main advantage over older 7750-based versions that sit much taller on the wrist.
What dial layout does this watch use?
It uses a blue Grande Tapisserie dial with silver chronograph sub-dials arranged at 3, 6, and 9 o'clock, plus a date display at 4:30.
What bracelet and clasp does this reference come with?
It comes on an integrated 316L steel bracelet with an AP double deployant clasp, matching the case architecture that defines the Royal Oak design.
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