The Audemars Piguet Royal Oak was drawn by Gérald Genta in 1972 and changed what a luxury watch could be. It was steel, it was priced above the gold watches around it, and it put the case screws on the outside of the bezel as a design feature. At the time it was a considerable risk. It is now the defining luxury sports watch.
The octagonal bezel, the integrated bracelet and the Tapisserie dial are all still there, and the model remains one of the hardest to buy at retail. Reference 15407ST, 15500ST and 15202ST are the pieces most often asked for.
A short history of the Audemars Piguet Royal Oak
At the start of the 1970s, Swiss watchmaking was facing the arrival of quartz, and Audemars Piguet wanted something that did not yet exist: a high-end sports watch made of steel. Genta’s answer, so the often-told story goes, was sketched in a single night. He said the shape came from an old diving helmet, its bolted faceplate becoming the octagonal bezel with eight hexagonal screws.
The first reference, the 5402ST, measured 39mm. That was large enough for the period that collectors still call it the “Jumbo”. Inside was the ultra-thin automatic calibre 2121, which let the case stay remarkably slim. The name came from the Royal Navy ships called HMS Royal Oak, themselves named after the oak tree in which King Charles II hid in 1651.
It was not an instant success, but over the following decades the Audemars Piguet Royal Oak became the cornerstone of the brand. In 1993 the Royal Oak Offshore, designed by Emmanuel Gueit, gave the idea a bigger and more muscular case. The family has since grown to include chronographs, perpetual calendars and openworked pieces in steel, gold, titanium and ceramic.
For the model’s 50th anniversary in 2022, Audemars Piguet refreshed the core line. The 15510ST took over from the 15500ST as the 41mm steel model, and the 16202ST replaced the 15202ST “Jumbo” with a new movement, the calibre 7121. That is why both generations are offered pre-owned, sometimes side by side, and why the reference number matters when you compare two watches that look alike at first glance.
What to know when buying a pre-owned Royal Oak
The bracelet is part of the watch. The Royal Oak bracelet is integrated, hand-finished and enormously labour-intensive. Check how it sits and how the links have worn, because it cannot simply be swapped.
Finishing is the point. Alternating brushed and polished surfaces are what you are paying for. Over-polishing softens the edges between them and is the clearest sign a case has been worked on badly. It cannot be undone.
References. The 15500ST is the 41mm steel automatic that followed the 15400ST, and it has since been succeeded by the 15510ST. The 15202ST is the thin “Jumbo” that traces the original 1972 proportions most closely, and the 15407ST is the openworked skeleton reference.
Dial colour is a real price factor. Blue and the various grey and green Tapisserie dials trade at different levels, and limited dial variants can move the value substantially.
Audemars Piguet Royal Oak references at a glance
Royal Oak reference numbers look cryptic, but they follow a pattern. The digits identify the model, and the letters at the end give the case material: ST for stainless steel and OR for pink gold are the two you will meet most often. The table covers the references buyers ask us about most. For the full current catalogue, the Audemars Piguet website is the place to look.
| Reference | Case | What it is |
|---|---|---|
| 5402ST | 39mm, steel | The 1972 original and the first “Jumbo” |
| 15202ST | 39mm, steel | Extra-thin Jumbo with calibre 2121, replaced in 2022 |
| 16202ST | 39mm, steel | The 2022 extra-thin Jumbo with calibre 7121 |
| 15400ST, 15500ST, 15510ST | 41mm, steel | Three successive generations of the time-and-date model |
| 15407ST, 15407OR | Steel or pink gold | Openworked, with a double balance wheel |
| 26331ST, 26331OR | 41mm, steel or pink gold | The Royal Oak chronograph |
Two watches with the same reference can still differ. Dial colour, the year of manufacture, whether the set is complete and how the case has been looked after all shape what a particular Audemars Piguet Royal Oak is worth, so we always talk you through the individual watch rather than the reference in general.
Choosing a dial, metal and complication
Most buyers start with steel, and for good reason: it is the metal the Royal Oak was designed around, and it wears lightly for a watch with so much presence. Blue is the traditional colour. The original 1972 dial was a deep blue that Audemars Piguet calls Bleu Nuit, Nuage 50, and blue remains the classic choice for an Audemars Piguet Royal Oak, with grey, green and black as the main alternatives.
Pink gold changes the character completely. An OR reference is heavier, warmer in colour and more of a statement, and it pairs naturally with brown or chocolate dials. If you want something more technical, the chronograph adds pushers and sub-dials without losing the octagonal silhouette, while the openworked 15407 replaces the dial altogether with a view of the movement.
There is no wrong answer, but there are trade-offs. A busy chronograph dial is harder to read at a glance than the clean time-and-date layout, and gold picks up marks more readily than steel. We are happy to put several variations of the Audemars Piguet Royal Oak in front of you, so you can judge the differences for yourself rather than taking our word for it.
Sizing: how the Audemars Piguet Royal Oak wears
The figures on paper undersell how a Royal Oak sits on the wrist. The integrated bracelet means there are no separate lugs, and the wide, flat bezel gives the watch more presence than its diameter suggests. The case is slim, though, so it slides under a shirt cuff more easily than many sports watches of a similar size.
The 41mm models suit most men’s wrists. The 39mm Jumbo is the purist’s choice: closer to the 1972 original, thinner, and with a cleaner time-and-date dial that has no seconds hand. There are also 37mm and 34mm versions, which many women and smaller-wristed men prefer. Our honest advice is to try two sizes before deciding, because the difference is easy to feel and hard to judge from photographs.
Checking condition, box and papers
Every Audemars Piguet Royal Oak we offer has already been through this list. It is still worth knowing what experienced buyers look at, whether you are comparing watches or simply want to understand what you are paying for.
- Crisp, clean lines between the brushed and polished surfaces of the case and bracelet
- Bezel screws that are undamaged, with no burrs or tool marks
- A clean dial with the Tapisserie pattern sharp all the way to the edge
- Bracelet links without excessive stretch, plus any spare links
- A clasp that closes firmly and evenly
- Paperwork whose serial number matches the case
- Any service history, ideally with receipts
Box and papers matter on a Royal Oak because buyers at this level expect a complete set. The warranty card or certificate ties the watch to its serial number and date of sale, and the box, booklets and spare links all add to the story. Every listing on our site states whether the watch comes with its box and papers, so you know before you enquire. Our box and papers guide explains why it matters so much.
Buying from Kings & Queens
- Inspected and authenticatedEvery watch is checked by experienced specialists, with serial numbers and components verified before it is offered.
- 12-month warrantyPre-owned pieces carry a 12-month warranty against movement defects. Unworn watches carry the manufacturer's own cover.
- Fully insured deliveryFree, fully insured and signed-for delivery across the UK.
- 14-day returnsFourteen days to change your mind from the day your watch arrives. We cover the return postage.
We are a specialist dealer in Hatton Garden, London, and any Royal Oak in our stock can be viewed in person by appointment. If you need time to think, a £100 deposit holds the watch for three working days while you decide.
Before an Audemars Piguet Royal Oak is listed, our specialists inspect and authenticate it, then record the serial number, the bracelet number, the movement identifiers and the case markings. Unless a listing says otherwise, the watch is physically here in our stock, so the piece you see is the piece that is inspected and dispatched.
A pre-owned Audemars Piguet Royal Oak carries our 12-month mechanical warranty from delivery, unless the listing says otherwise, and a watch still inside its manufacturer’s warranty keeps those terms. UK delivery is free, fully insured and signed for. Orders are prepared within two to three working days of payment clearing, and you have 14 days to return the watch for a full refund. Our warranty page sets out the detail.
The deposit itself is non-refundable, but on request it can be used as store credit towards another watch. If you already own something you want to move on, part exchange offsets its value against the Royal Oak in a single transaction, and if your watch is worth more, we pay you the difference.
Seeing an Audemars Piguet Royal Oak in Hatton Garden
The finishing that makes an Audemars Piguet Royal Oak special is far easier to judge in the hand than on a screen. Our showroom is at 9 St. Cross Street, Hatton Garden, London EC1N 8UB, a short walk from Farringdon and Chancery Lane stations. Every viewing is by appointment, so the room is yours, and you can compare sizes and dial colours side by side without being hurried.
We are open Monday to Friday from 10:30am to 5:30pm and on Saturday from 12:00pm to 4:30pm. The same appointment can cover a valuation of a watch you own, a part exchange, or a request for us to source a particular Royal Oak reference that is not currently in stock.
Servicing and caring for an Audemars Piguet Royal Oak
Our sister business, Alpha Group, works from the same building and handles servicing, repairs and restoration. With a Royal Oak, the movement is only half the job: a good service should leave the brushed and polished surfaces exactly as they were, rather than softening them with a heavy polish. Ask about the service and repair options if your watch is due.
Day to day, the main risks are knocks to the bezel edges and fine scratches on the polished bevels of the bracelet. Take the watch off for the gym or for heavy work, store it away from other jewellery, and if it has not been serviced in a long time, ask for advice before putting it back into regular use.
Audemars Piguet Royal Oak: common questions
Why is the Royal Oak so expensive for a steel watch?
Because the value is in the finishing rather than the metal. The case and bracelet are hand-finished to a standard that takes far longer than a conventional watch, and production is deliberately limited.
Can I buy one at an authorised dealer?
In practice, very rarely. Allocation is extremely limited and waiting lists are long, which is why the pre-owned market for the Royal Oak is as active as it is.
Do you buy Royal Oaks?
Yes, and it is one of the pieces we are most often asked to value. See our Royal Oak valuation page.
Which Audemars Piguet Royal Oak size should I choose?
For most men the 41mm steel model is the natural starting point, while the 39mm Jumbo suits anyone who wants the original proportions and a thinner case. Smaller wrists are often happier with the 37mm or 34mm versions. Trying two sizes on, one after the other, usually settles it within minutes.
Is the Royal Oak Offshore the same as the Audemars Piguet Royal Oak?
No. The Offshore, launched in 1993, borrows the octagonal bezel and exposed screws but is larger, thicker and sportier, and it is most often a chronograph. It suits a different wearer, so we treat it as a separate model when we advise.
Does every Audemars Piguet Royal Oak come with box and papers?
Many do, but not all. Each listing states clearly whether the watch comes with its box and papers, and we will tell you exactly what is included before you commit, down to spare links and booklets.
Is a pre-owned Audemars Piguet Royal Oak covered by a warranty?
Yes. Pre-owned pieces carry our 12-month mechanical warranty from delivery unless the listing says otherwise. Where a watch is still inside the manufacturer’s warranty, those terms apply as well.
Kings & Queens Watches is an independent dealer and is not affiliated with Audemars Piguet. Model names and reference numbers are used only to describe the Royal Oak watches we sell.