Audemars Piguet Royal Oak Chronograph 26331ST: The Definitive Review and Price Guide

The Audemars Piguet Royal Oak Chronograph 26331ST is the 41mm stainless steel Royal Oak Chronograph — and it remains one of the most complete steel sports chronographs you can put on a wrist. On today's secondary market, clean examples command serious money, with dial, condition, and paperwork driving where any individual watch lands.

We buy, sell, and trade Royal Oaks from our dealer floor, and the 26331ST is one of the references we get asked about most. This is the full picture: what it is, how it wears, what moves the price in honest terms, and how to buy one without getting burned.

What the 26331ST is — and why it matters

The 26331ST is the 41mm expression of the Royal Oak Chronograph. At this size the subdials sit in easy balance, and the whole watch reads as the version most collectors now picture when they say "Royal Oak Chronograph."

Inside is the self-winding Caliber 2385 — a slim, proven chronograph movement with a column wheel and vertical clutch, delivering roughly 40 hours of power reserve. It is a workhorse rather than a showpiece, and honestly, most owners never mind. What they notice is a chronograph that starts crisply, runs reliably, and keeps the case wearable.

That matters for buyers: sought-after Royal Oak references don't tend to get cheaper or easier to find on the open market. This one is already behaving like a modern classic.

Genta's blueprint, stretched to 41mm

Every Royal Oak still answers to the drawing Gerald Genta produced in 1972: the octagonal bezel with eight hexagonal screws, the exposed gasket line, the integrated bracelet that flows out of the case rather than hanging off it. It was a shocking design then. It is the most imitated design in watchmaking now.

The 26331ST takes that blueprint and gives it room to breathe. At 41mm the bezel reads confidently across a table, the Grande Tapisserie dial pattern — that hypnotic waffle grid, cut the slow old-fashioned way — has more surface to play with light, and the chronograph registers sit in comfortable proportion at this size.

The finishing is the argument for the price. Brushed surfaces meet polished bevels at angles sharp enough to catch light from across a room, and the bracelet tapers with a precision that most steel sports watches simply don't attempt. You pay Royal Oak money largely for what happens along those edges.

The dial: blue Grande Tapisserie

The blue Grande Tapisserie is the signature look of the 26331ST — a direct nod to the 1972 Royal Oak, with white gold applied hour markers riding over that deep blue grid. If you own one blue watch, this is a strong case for it being this one; it's also the gateway drug into our whole cabinet of blue-dial watches.

Other dial executions have appeared across Royal Oak chronographs over the years, and the premiums between dials shift with collector taste. If you're chasing a specific look, ask us what's actually gettable and what it's commanding right now — that changes faster than any article can keep up with.

On the wrist: notes from the dealer floor

Numbers first: 41mm across, in stainless steel, on the integrated bracelet with AP's folding clasp. But Royal Oaks never wear the way their dimensions suggest. The case is relatively slim for a chronograph, and the bracelet spreads the weight so evenly that the watch feels planted rather than heavy.

Because the lugs are part of the design rather than an afterthought, the 26331ST wears broader than a round 41mm watch. On a 6.75-inch wrist it is confident; on a 7.25-inch wrist it is close to perfect. If you're coming from something with real heft — a Royal Oak Offshore, say — the 26331ST will feel almost delicate by comparison, in the best way.

The 26331ST is the rare watch that settles two arguments at once: it's the icon and the complication in a single slot on the wrist.

Living with it is easy, with one honest caveat. The sapphire crystal shrugs off daily life, the clasp is secure, and the pushers have a clean, mechanical snap. But water resistance is 50 meters — fine for rain and a beach day, not a watch we'd take swimming laps with the pushers in play. Among the luxury chronographs that cross our desk, that's typical of the breed rather than a flaw of this one.

What do buyers ask us on WhatsApp? Almost always the same three things: is the dial I want still gettable, how does it compare to other Royal Oak chronographs, and what will you give me for mine. The volume of that third question tells you plenty about how tradable this reference is.

Royal Oak Chronograph 26331ST specifications

26331ST price: what actually moves the number

Here's the honest version, because posted asking prices online tell you very little. There is no single "26331ST price" — the number on any given week is set by the market, and it moves.

Three things move it most. Dial first: certain dials carry a clear premium, and collector taste shifts. Condition second: an unpolished case with crisp bevels is worth real money over a softened one. Papers third: full box and papers tighten the spread and speed up the sale.

Scarcity does what it usually does for investment-grade pieces — when supply is thin and demand stays put, clean examples don't sit long. We won't promise you appreciation; nobody honest will. What we can tell you from the dealer floor is that clean 26331STs move quickly, and sellers rarely have trouble finding a bid.

The market moves. If you want a real number rather than an internet guess, message us and we'll quote you live — buying or selling.

How to buy, sell, or trade a 26331ST

Buying: if we don't have the dial you want on hand, we source on demand through our dealer network. Every watch is carefully authenticated before it ever reaches you. Start with our Royal Oak collection, or browse the full Audemars Piguet lineup if you're still deciding between a chronograph and a time-only piece.

Selling: we buy 26331STs outright, and we pay for condition. Send photos, reference, and whatever paperwork you have through our sell your watch page and you'll get a serious offer, not a lowball opener.

Trading: this is where a dealer beats a marketplace. If you're moving from one dial to another, or stepping up from another steel chronograph entirely, we'll structure it as a single trade — one conversation, one number, no shipping your watch to a stranger.

26331ST FAQ