100% Certified Authentic
Used Tudor Pelagos Ultra Titanium
Used Tudor Pelagos Ultra Titanium
Used Tudor Pelagos Ultra Titanium
Used Tudor Pelagos Ultra Titanium
Used Tudor Pelagos Ultra Titanium
Used Tudor Pelagos Ultra Titanium
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Used Tudor Pelagos Ultra Titanium

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Tudor Pelagos 2543C1A7NU 2025 186610 Excellent
Unworn: Mint condition, no signs of wear.
Excellent: Very slight signs of wear.
Very Good: Light to normal wear.
Good: Wearable, with visible signs of wear.
Vintage: Typically 30+ years old; condition varies.

Note: All watches are 100% authentic. They are polished as needed but may still have minor scratches.
Mens Box and Papers
Titanium Sapphire 43MM Ceramic Timing Solid JD02XXX Black w/ Luminous hour markers, Luminous hands & Luminous lume MT5400 Automatic Unidirectional Date Titanium Deployant

Pre-owned Tudor Pelagos ref 2543C1A7NU (2025) is the most extreme version of Tudor’s professional dive watch platform. Building on the already capable Pelagos design, the Ultra pushes the concept further with deeper water resistance, improved legibility, and construction tailored specifically for saturation diving environments. The watch features a 43mm case made from a combination of grade 2 and grade 5 titanium, keeping the watch strong yet surprisingly lightweight for its size. A compact helium escape valve is integrated into the case to allow trapped gases to safely exit during decompression, a critical feature for saturation divers. With a depth rating of 1,000 meters, the Pelagos Ultra doubles the capability of the standard Pelagos models and stands as one of the most technically capable dive watches Tudor has ever produced.

Legibility was a major focus in the design. The dial has been scaled up with larger hour markers and thicker hands, making it easier to read in dark underwater environments. Tudor also introduced dual-color luminescence, with blue and green lume used strategically so divers can quickly distinguish key timing elements such as the minute hand and bezel pip when tracking elapsed dive time. Inside the case is a METAS-certified Master Chronometer movement, meeting rigorous standards for precision, magnetic resistance, and reliability. The watch is outfitted with a redesigned titanium bracelet engineered for deep-sea use, completing a package built specifically for serious professional diving.


* All Pre-Owned Tudor watches are guaranteed to be 100% genuine and certified authentic. Certificates are issued by Watch CSA, the industry's leading independent authority on watch authentication. Watch CSA Certified Pre-Owned certificates are provided for an additional fee at checkout. All watches are shipped to fit the average size wrist (7 1/4" - 7 1/2" for men and 6 1/4" - 6 1/2" for women). Additional links can be purchased if needed. Note that "B&P" means "box and papers" where stated.
This pre-owned Tudor comes with the remaining Tudor five-year warranty from September 2025, in addition to Bob's Watches one-year warranty
This order is ready for shipment within one (1) business day after the order has been approved and processed. All watch orders are shipped FedEx overnight and are fully insured at no charge to the customer. Please be advised that for any deliveries from Bob's Watches, a recipient aged 21 years or older must be present to provide a signature upon receipt of the package.

For more information on shipping, please visit our shipping page.
For further details on returns, please check out our return policy page.
Bronner Smith
03/01/2026
One Sold, One Bought

I sold my 126900 Rolex Air-King to Bob’s Watch and at the same time I bought a Tudor Pelagos Ultra. I that these transactions happened at the same time, things went really well. I am extremely happy with my Tudor Pelagos Ultra.

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The Reviews What People Are Saying

Do you have questions about our Titanium Tudor 2543C1A7NU for sale? Our team of friendly watch experts is here to assist you. Whether you're curious about its features, authenticity, or purchasing process, we're just a call or email away. Don't hesitate to reach out; your perfect Black Tudor Pelagos watch is just a conversation away.

Every Tudor 2543C1A7NU timepiece at Bob's Watches are 100% Authentic. Each Pelagos watch is meticulously inspected for quality, and performance. We perform any necessary servicing and maintenance on all timepieces to maintain optimal performance. Bob's Watches offers a comprehensive 1 year service warranty on all watches.

Choosing Bob's Watches for your luxury watch purchase ensures unparalleled authenticity and quality. Our stringent authentication process, performed by a team of experts, guarantees that every watch is genuine and original. We offer certified pre-owned watches that meet our high standards for condition and functionality, giving you peace of mind with your Tudor investment. Additionally, our in-house professional servicing ensures that each timepiece is meticulously maintained and performs at its best. Finally, our comprehensive warranty provides long-term support, covering parts and labor.

Tudor, a Swiss luxury watchmaker, has been crafting exceptional timepieces since 1926. Founded by Hans Wilsdorf, the visionary behind Rolex, Tudor was created to offer high-quality watches at more accessible price points. Throughout Tudor watch's history, the brand has become known for its rugged, dependable, and stylish timepieces, which have been worn by adventurers, military personnel, and watch enthusiasts around the world. From the iconic Oyster Prince to the modern Black Bay collection, Tudor has consistently delivered watches that combine technical excellence with timeless design.

We are proud to present a collection of authentic, unworn or pre-owned luxury watches that have been rigorously verified for authenticity. Each timepiece is subject to an extensive authentication procedure, ensuring that every purchase is made with assurance and worn with prestige. We guarantee a shopping experience free from counterfeits.