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.

Breitling Professional Endurance Pro E823104A1M1S1 44mm Black Dial Bi-directional Bezel Titanium Case in Blue Rubber Strap Watch
Authenticity Guaranteed
2-Year Warranty
Secure Checkout
Fully Insured Shipping
30-Day Returns
Dedicated Watch Specialist
The watch features the Breitling 82 movement, a thermocompensated SuperQuartz™ caliber known for exceptional accuracy, with 1/10th second chronograph timing and a 30-minute counter. It includes 4 jewels, a calendar displayed via dial aperture, and is built with a titanium case and screw-secured caseback, offering water resistance up to 10 bars. The bidirectional bezel includes a compass scale, and the sapphire crystal is glareproofed on both sides for clear readability. The non-screw-locked crown has two gaskets to enhance water resistance and durability.
In terms of dimensions and design, the watch has a 44 mm diameter, 12.5 mm thickness, and a 52.49 mm height from lug to lug, weighing approximately 86.5 g overall (with a 63.9 g watch head). It comes fitted with a blue rubber strap featuring a straight cut, 22 mm lug width, and a 22/20 mm taper to a stainless steel tang buckle (20 mm). This combination of high-performance quartz movement, rugged titanium construction, and sporty design makes it a versatile and functional timepiece for active wearers.
| Original Box | Yes |
|---|---|
| Original Papers | Yes |
| Gender | Male |
| Model | E823104A1M1S1 |
| Product Year | 2025 |
| Condition | Unworn |
| Series | Professional |
| Movement | Thermocompensated SuperQuartz |
| Crystal | Scratch Resistant Sapphire |
| Dial Type | Analog |
| Dial Color | Black |
| Dial Markers | Arabic Numerals |
| Hands | Luminescent silver-tone hands |
| Functions | Chronograph, Date, Hour, Minute, Second |
| Case material | Titanium |
| Case diameter | 44 MM |
| Case Shape | Round |
| Bezel | Bi-Directional Rotating |
| Band Type | Strap |
| Band Color | Blue |
| Band material | Rubber |
| Clasp | Tang Clasp |
| Water Resistance | 100 meters / 330 feet |
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%.









