Audemars Piguet Royal Oak 4100SA


The Two-Tone 36mm AP Royal Oak

You all know how much we love these cool 36mm AP Royal Oaks and today we are offering one with a bit of a twist. The reference 4100 is a two-tone steel and gold model and this one has a stunning Stern petit tapisserie dial in a mellow grey tone. The watch is in beautiful overall condition and has benefitted from a recent light case refinish. The bracelet is still in good and tight condition. Read our article about these really cool and funky 36mm RO watches here. The watch has been fully serviced by our watchmaker.


- Reference 4100SA
- Steel and gold watch and bracelet
- Serial 11xx
- 36mm Watch
- Grey dial
- Fully serviced by our watchmaker
- 1 year mechanical warranty
- Includes a handmade single leather watch pouch
- Free worldwide Fedex Priority shipping

We Love Watches

We are passionate about vintage watches and we love talking about them! That is why we don't sell our watches with a simple "Add to cart" button, but instead try to emulate a truly boutique experience online. Helping you find your perfect vintage watch is our Watch Department’s raison d’etre. Whatever you would like to ask, please do. Building our community of watch lovers is central to our mission at Bulang and Sons.

We Know Watches

At Bulang and Sons we have sold thousands of watches over the years. We are a small team of experienced collectors and connoisseurs who are all part of an extensive global network of buyers and sellers. We have a great reputation for offering only the highest quality watches. We have one simply rule: we only buy and sell watches we want to own ourselves. And yes, we are still collectors too.

We Guarantee Watches

As collectors, we know how intense the search for a specific vintage watch can be. Once you find it at Bulang and Sons, we want to make things easy, safe and fast for you. Therefore, we offer the most comprehensive return policy and warranty; you will not find a safer place on the internet to buy a vintage watch. You can relax and enjoy your deal with Bulang and Sons.

You may also like