I had an excellent experience purchasing my Audemars Piguet Royal Oak from Watch My Diamonds, and I want to give a special thank you to Mary and Daniel for making the entire transaction so enjoyable. When you’re making a significant purchase remotely, trust and communication matter, and they made me feel comfortable from the beginning. Daniel was very communicative, personable, and easy to work with. He sent clear photos and videos that accurately showed the watch and its condition. When it arrived, it was exactly what I had expected and in great condition. I really appreciated knowing that what I was seeing in the photos and videos was what I would actually receive. He also took my wrist size ahead of time and made sure the watch was properly sized before shipping it. It arrived fitted and ready to wear, which was a thoughtful touch. Being able to put it on immediately and enjoy it made the experience that much better. Daniel shipped the watch immediately, and his follow-through was excellent. The same care he put into communicating with me carried through to preparing and shipping the watch. Mary was also wonderful in helping facilitate the sale, and I appreciated how easy they both made the process. One of my favorite parts of the experience was that we even nicknamed my watch “the Unicorn” because of its rarity. That little detail made the purchase feel personal and memorable. It was fun to share the excitement of finding such a special piece with the people helping me buy it. The watch is beautiful, but Mary and Daniel’s service is a big reason I would come back. They made me feel valued as a customer, and the experience left me wanting to purchase from them again. Thank you, Mary and Daniel, for the great communication, accurate photos and videos, immediate shipping, and attention to getting the fit right. I’m extremely happy with my Unicorn and would highly recommend Watch My Diamonds to anyone looking for a special watch and people who make the buying experience just as enjoyable.

Audemars Piguet Royal Oak 15550ST.OO.1356ST.04 Blue Dial Selfwinding “50th Anniversary”
Authenticity Guaranteed
2-Year Warranty
Secure Checkout
Fully Insured Shipping
30-Day Returns
Dedicated Watch Specialist
Audemars Piguet Royal Oak 15550ST.OO.1356ST.04 celebrates 50 years of an icon in a perfectly balanced 37 mm stainless steel case—ideal for slimmer wrists without losing the Royal Oak presence. Its blue “Grande Tapisserie” dial, applied AP logo at 12, white-gold hour markers, and the signature octagonal bezel with exposed screws deliver unmistakable Royal Oak character, while 50 m water resistance and a date at 3 o’clock keep it ready for daily wear.
Inside beats AP’s new-generation selfwinding Calibre 5900 with a 60-hour power reserve, visible through a sapphire caseback and paired with the special 50th Anniversary rotor. The integrated stainless steel bracelet with AP folding clasp is exquisitely finished with brushed surfaces and polished bevels, offering outstanding comfort and an elevated, timeless look.
| Original Box | Yes |
|---|---|
| Original Papers | Yes |
| Condition | Unworn |
| Model | 15550ST.OO.1356ST.04 |
| Dial Color | Blue |
| Case diameter | 37 MM |
| Band material | Stainless Steel |
| Water Resistance | 50 m |
Free, fully insured worldwide shipping. Every order ships signature-required and insured for its full value, typically arriving within 1–2 business days domestically.
30-day returns. Return within 30 days in original condition for a full refund. Pay by bank wire to save an additional 3%.









