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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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Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240
Uni-Sex Rolex Datejust 178240

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Uni-Sex Rolex Datejust 178240

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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.
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Brand: Rolex
Item Number: 120729
Condition: (What's This?) Excellent
Model Name/Number: DateJust 178240
Serial/Year: M 2007 - 2008
Gender: Mid-Size (31mm)
Movement: Automatic 2235 movement w/date, scratch-resistant sapphire crystal, waterproof screw-down crown, inner reflector ring engraved w/ serial number
Case: Stainless steel w/ 18k white gold smooth bezel, inner reflector ring engraved with serial number
Dial: White w/ silver Roman hour markers
Bracelet: Stainless steel Oyster w/ Oysterclasp
Box & Papers: Bob's presentation box, Certificate of Authenticity, and warranty card
Comments: This Rolex Datejust comes wit Bob's 3-day satisfaction guarantee and one year warranty

Mid-Size Rolex Oyster Perpetual DateJust 178240

Modern watch tastes, in general, have seen an increase in demand for larger timepieces. The Datejust 31mm ref. 178240 is a result of evolving watch trends, offering women a larger case size. The new case wears on a sleek three-link Oyster bracelet secured by a folding Oysterclasp, perfectly balancing out the weight of the case for a comfortable hold on the wrist. As a newer model, this pre-owned Rolex Lady-Datejust also offers several modern upgrades, including the use of Rolex's patented Oystersteel, a scratch-resistant sapphire crystal, a double-sealed waterproof screw-down crown, and a next-generation calibre 2235 perpetual movement.

At Bob's we authenticate, purchase and service all of our watches thereby ensuring the integrity of every Rolex we sell. All service is performed by an authorized Rolex service provider with only genuine Rolex parts. Any watch listed on our website is in store and ready for free overnight shipping. Bob's Watches; 100% genuine Rolex!

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*All Pre-Owned Rolex 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)

Product Reviews

Uni-Sex Rolex Datejust 178240
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  • November 1, 2019
    Beauty

    The watch is beautiful and looked brand new! It was also very affordable.

  • April 15, 2019
    My impression

    Very nice, well designed, quality watch. Was returned because of my wife’s preference for a black dial!

Testimonials

4.8
2897 verified reviews in the past 12 months
Google Customer Reviews
  • 5/5

    Regarding BOB’s WATCHES / *** When purchasing an item that is as expensive as a high quality pre owned ROLEX, you’d only hope for a great experience and great service....  when dealing with BOB’s WATCHES and specifically with *** in the Service/Sales Department, you will receive not only a GREAT EXPERIENCE and GREAT SERVICE, but a truly professional and yet personal connection in which you will treated with the high quality luxury sales & service you’d expect. After my 3rd ROLEX purchase from BOB’s WATCHES, I can truly say I am VERY thankful that I made all of my purchases with ***!!!!    Thank you, ***

    September 14, 2020
  • 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
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Trusted

Trusted

Proven to be trusted by thousands, with 5-star customer service rating.

Certified Pre-Owned

Certified Pre-Owned

All watches are meticulously inspected and authenticated by experts.

Best Price

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We're committed to offering the best prices through our low-price guarantee.

"The most trusted place to buy or sell a used luxury timepiece" – WSJ

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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.

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