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  • 100% Certified Authentic

    Bob's Watches
    100% Certified Authentic

    At Bob's Watches, your trust is very important to us. We believe that buying a pre-owned Rolex watch online should be simple, honest, and straightforward. To that end, we guarantee that every Rolex watch on our site is 100% authentic, comprised entirely of Rolex parts. Our mission is to be the leading trusted online source for selling and buying authentic pre-owned Rolex watches. We stand behind this authenticity guarantee with a full money back refund on any watch not found to be completely genuine.

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100% Certified Authentic

Bob's Watches
100% Certified Authentic

At Bob's Watches, your trust is very important to us. We believe that buying a pre-owned Rolex watch online should be simple, honest, and straightforward. To that end, we guarantee that every Rolex watch on our site is 100% authentic, comprised entirely of Rolex parts. Our mission is to be the leading trusted online source for selling and buying authentic pre-owned Rolex watches. We stand behind this authenticity guarantee with a full money back refund on any watch not found to be completely genuine.

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Tudor Black Bay GMT 79830RB Black Dial

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Tudor Black Bay GMT 79830RB Black Dial

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    100% CERTIFIED AUTHENTIC

    Bob's Watches
    100% Certified Authentic

    At Bob's Watches, your trust is very important to us. We believe that buying a pre-owned Rolex watch online should be simple, honest, and straightforward. To that end, we guarantee that every Rolex watch on our site is 100% authentic, comprised entirely of Rolex parts. Our mission is to be the leading trusted online source for selling and buying authentic pre-owned Rolex watches. We stand behind this authenticity guarantee with a full money back refund on any watch not found to be completely genuine.

    Guaranteed Authentic
    Certified Authentic WatchesCertified 100% Authentic
    Bob's Watches Genuine Authenticity Pledge
    At Bob's Watches, your trust is very important to us. We believe that buying a pre-owned Rolex watch online should be simple, honest, and straightforward. To that end, we guarantee that every Rolex watch on our site is 100% authentic, comprised entirely of Rolex parts. Our mission is to be the leading trusted online source for selling and buying authentic pre-owned Rolex watches. We stand behind this authenticity guarantee with a full money back refund on any watch not found to be completely genuine.
Looking to sell? Sell Your Tudor

Brand: Tudor
Item Number: 131951
Condition: (What's This?) Excellent
Model Name / Number: Black Bay 79830RB
Serial: I,8XX,XXX
Gender: Men's
Movement: Automatic Tudor Calibre MT5652
Case: Stainless steel (41mm) 
Dial: Black w/ luminous hour markers and snowflake hands, red GMT hand and date at 3 o'clock
Bracelet: Stainless steel w/ deployant clasp
Box & Papers: Tudor box and warranty card dated 12/2018
Warranty: This pre-owned Tudor comes with Bob's Watches one year warranty
Return Policy: If not 100% satisfied, return watch in 3 days for a full refund. Terms.

Pre-Owned Watch Condition Examination

This pre-owned Tudor watch is in overall excellent pre-owned condition with only minor surface wear to the clasp, bracelet, and case.

Tudor Black Bay GMT 79830RB - RED and blue bezel

By Paul Altieri

The newer-model Tudor Pepsi GMT ref. 79830RB flawlessly blends old and new sports watch design with a desirable vintage-inspired feature set and numerous modern upgrades. The case offers a 41mm diameter and features a scratch-resistant sapphire crystal, improved luminous material, and a 48-notch burgundy and blue aluminum bezel insert. Within the case beats a new calibre MT5652 self-winding movement with a 70-hour power reserve and a dedicated GMT hand. A domed sapphire crystal, retro font on the bezel, and older-style rivet links give this ref. 79830RB a vintage-inspired design that is widely sought-after by Tudor collectors in-the-know.

Certified Authentic Watch Assist Certified Pre-Owned Certificate Sample ReportClick To Expand
Certified Authentic Report
Watch Assist Certified Pre-Owned Certificate Sample Report

*All Pre-Owned Tudor watches are guaranteed to be 100% genuine and certified authentic. 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.

HAVE A QUESTION? 800.494.3708  |  MON - FRI 9AM - 5PM (PST)
Tudor Black Bay GMT 79830RB Black Dial
5 2 reviews
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  • September 29, 2019
    3rd Bob's watch

    So far Bob's is 3 for 3 with me ordering on Thursday and them processing/shipping on Friday for a Saturday morning delivery. Every watch has been in perfect condition. This Tudor GMT is a great watch for any collector or traveller. Many of the brilliant craftsmanship characteristics you notice about your Rolex will be present on the Black Bay. For one example not mentioned in any reviews I've seen, all edges are rounded and polished ever so slightly as to not look super rounded off, yet when slipping on and off the watch it feels smooth as glass.

  • August 8, 2019
    Tudor BB GMT

    Really easy experience buying online. Great selection but you have to be constantly checking for the perfect watch. The process didn't take long. I placed the order on Friday night, Monday the order was processed, and Tuesday morning the watch was already in my house. Having Affirm as an option of payment is great, especially with the 0% deal! Really nice watch, and it was just as described. I would recommend buying from you guys to my friends!

4.8
2896 verified reviews in the past 12 months
  • 5/5

    I have made several purchases and one sales through Bob’s. The order process, payment, processing, and most importantly delivery have all been absolutely flawless. Very quick and efficient. I never look anywhere else for used Rolex.

    November 30, 2019
  • 5/5

    Fantastic experience

    October 22, 2019
  • 5/5

    Watch was exactly as advertised and in excellent condition. Thank you for providing top notch services!

    September 29, 2019
  • 5/5

    Superb site and transaction, phenominal delivery time. Some slight confusion concerning the special discount at the time. I didn't receive it. No big deal I would not hesitate to purchase another rolex from Bob's ! ***

    September 28, 2019
  • 5/5

    The purchasing process was quick and easy once I finally made my selection. Bob’s customer service was excellent. All my questions and concerns were addressed to my satisfaction. But most important of all, my husband loves his new watch!

    September 27, 2019

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As the most trusted name in luxury watches, with the largest inventory on-hand and ready for immediate sale, Bob's Watches is the foremost destination to find the best in authentic, pre-owned luxury accessories. So whether on the hunt for a new pre-owned Ceramic No Date Submariner, or a vintage Paul Newman Daytona, Bob's is your primary source to find the best-of-the-best in pre-owned luxury goods at unbeatable prices.

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Bob's Watches is an independent watch dealer and is not sponsored by, associated with and/or affiliated with Rolex, or any other brand listed. Bob's Watches only sells pre-owned watches and provides its own warranties on the watches it sells. Rolex Datejust, Rolex Day Date President, Submariner, Presidential, Explorer, Sea Dweller, Super President, GMT Master, GMT, YachtMaster, Prince, Milgauss, MasterPiece, Air King, Cosmograph Daytona, and PearlMaster, etc are all registered trademarks of the Rolex Corporation. All brands including Brequet, Cartier, Audemars Piguet, Patek Philippe, Ulysse Nardin, Breitling and Omega, etc are trademarks of their respective owners.