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julio collazos
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Amazing work on my engagement ring very friendly service. Ty for the work
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Jessica Jones profile picture
Jessica Jones
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I had a wonderful experience selling my jewelry! The entire process was easy, professional, and stress freeI felt comfortable throughout the whole experience and was very happy with the offer I received . Everyone was friendly, honest, and knowledgeable. I would definitely recommend them to anyone looking to sell their jewelry. I will absolutely be back!
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K Price profile picture
K Price
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Great experience! Igor is very knowledgeable about his products. Fast, secure delivery. I am now a customer for life.
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John Costello profile picture
John Costello
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Buying an expensive watch online is scary considering the extensive network of scammers out there. I took every precaution I could before I purchased a Rolex from Igor at Diamond Source NYC. All said and done, Igor did everything he promised. He is honest, responsive and very respectful. Upon receipt of the watch it was exactly as described. Beautiful, unworn and 100% authentic. This guy can find anything you’re looking for. Thanks Igor.
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Deborah Chang profile picture
Deborah Chang
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Took a good amount of time to assess what I had and gave me top dollar matching and exceeding another estimate. They even allowed me to watch them count the cash given to me. I would come back to work with them again.
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Jeruel Trinidad profile picture
Jeruel Trinidad
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My overall experience in my first ever purchase of a luxury watch from Diamond Source NYC is nothing but a thrilling and exemplary experience. From inquiry to shipping, Igor has been outstanding in helping me from video inspection of the watch to next day shipping to my address. Most of all, I received a lovely watch, excellent like-new condition , excellent packing, and the watch itself is truly authentic complete with box and papers.
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Joseph Dalto profile picture
Joseph Dalto
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Igor is a good guy and has good business. If you want a watch this is the place to go to.. talked with multiple people to source a watch I wanted and he took care of me and was able to be competitive to everyone else’s prices. He is in it for the long term relationship opposed to trying to make the most off of someone initially. He’s earned a long term customer for life and will be getting every future watch from him. Look forward to growing the collection and having someone I know will not take advantage and will get me the best piece for the best price!
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Anelisa San Lorenzo profile picture
Anelisa San Lorenzo
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Igor is the best jeweler in nyc!
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Jason Smith profile picture
Jason Smith
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Outstanding Shop! Purchased a custom luxury watch and it was seamless. Igor's the man...quick sourcing, great communication and impeccable quality. I highly recommend these guys.
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The Premier Destination for Rolex Yachtmaster 16623 Watches
Pre-Owned & New | NYC Diamond District

Questions? Call (212) 730-5959 or visit us at 20 W 47th St, Suite 401, New York, NY

Located in the heart of New York City’s historic Diamond District, Diamond Source NYC has established itself as the leading authority in the luxury timepiece market.

For over 20 years, our family-owned institution has curated the most expansive and impressive collection of high-end watches in the city, specializing in sought-after references like the Rolex Yachtmaster 16623. We pride ourselves on a foundation of absolute trust and unwavering professionalism, ensuring that every client receives expert guidance.

Whether you are seeking a contemporary masterpiece or a rare vintage find, our deep industry roots and commitment to excellence make us the most reliable source for your next horological investment.


The Aesthetic Excellence of the Rolesor Yachtmaster

The Rolex Yachtmaster 16623 is a masterclass in the "Rolesor" design philosophy, combining the rugged durability of 904L stainless steel with the regal brilliance of 18k yellow gold. This reference is distinguished by its bidirectional rotating bezel, crafted entirely from solid 18k gold with raised, polished numerals that stand out against a sandblasted background. Unlike the Submariner, which is designed for the depths of the ocean, the Yachtmaster 16623 is engineered for the deck of a racing vessel, offering a more curved, ergonomic case profile and polished lugs that provide a sophisticated glow. This balance of sport-utility and nautical luxury makes it a versatile choice for the modern collector.

Precision Engineering and Technical Specifications

Under the hood, the Rolex Yachtmaster 16623 is powered by the legendary Calibre 3135, a self-winding mechanical movement entirely developed and manufactured by Rolex. Known for its incredible stability and resistance to shocks and temperature variations, this COSC-certified chronometer movement features a Parachrom hairspring and a 48-hour power reserve. The 40mm Oyster case is equipped with a Triplock triple waterproofness system, ensuring that the delicate internal mechanics remain protected up to 100 meters. This technical prowess ensures that while the watch carries an air of elegance, it remains a robust tool watch capable of withstanding the rigors of competitive sailing and daily wear alike.

Pristine Quality and Complete Provenance

At Diamond Source NYC, we understand that the value of a luxury timepiece lies not just in the watch itself, but in its history and completeness. We specialize in providing Rolex Yachtmaster 16623 models in pristine condition, ranging from never-worn new pieces to meticulously maintained preowned examples. A core pillar of our business is the guarantee of provenance; every watch in our inventory comes complete with its original factory box and official papers. This ensures long-term value retention and peace of mind for our clients, as the presence of original documentation is a critical factor for serious collectors and investors in the secondary market.

A Tailored Acquisition Experience in the Diamond District

Acquiring a Rolex Yachtmaster 16623 from Diamond Source NYC is a personalized experience that transcends a simple transaction. Our experts meticulously inspect every link of the Oyster bracelet and every facet of the sapphire crystal to ensure each timepiece meets our stringent quality standards before it reaches the showroom floor. We invite enthusiasts to visit our Diamond District location to experience the weight and luster of the Yachtmaster 16623 in person. By choosing us, you are not just purchasing a watch; you are gaining a lifetime partner dedicated to the maintenance, authentication, and appreciation of your luxury collection.