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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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Omega Speedmaster Meteorite Dial 'Grey Side of the Moon'

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Omega Speedmaster Meteorite Dial 'Grey Side of the Moon'

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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 Omega

Brand: Omega
Item Number: 129975
Condition: (What's This?) Excellent
Model Name/Number: Speedmaster Moonwatch "Grey Side of the Moon" - 311.63.44.51.99.001
Serial/Year: 87,XXX,XXX
Gender: Men's
Movement: Automatic Omega calibre 9300
Case: Grey ceramic (44.25mm) w/ 18k Sedna gold tachymetric bezel
Dial: Grey meteorite w/ luminous hands and Index hour markers w/ 2 sub-dials and red-tipped second hand w/ date at 6 o'clock
Bracelet: Omega grey alligator strap w/ titanium foldover clasp 
Box & Papers: Omega box, pouch, polishing cloth, and Omega warranty card dated 3/2017
Warranty: This pre-owned Omega 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 Omega watch is in overall excellent pre-owned condition with no significant or observable signs of wear.

Omega Speedmaster Moonwatch "Grey side of the Moon"

By Paul Altieri

The Omega Speedmaster was the first watch on the Moon. With such a prestigious title, it comes as no surprise that the brand continues to produce commemorative editions of their beloved Moonwatch, even decades since its last visit to the Moon. The ref. 311.63.44.51.99.001 is a stunning Grey Side of the Moon Speedmaster that pairs a superb grey ceramic case and grey alligator strap with a matching genuine Meteorite dial that has been polished to reveal the stone's mesmerizing texture within. Sedna™ gold accents on the dial and bezel give this iconic chronograph a slightly more elevated style for casual, business, and formal occasions alike. The Grey Side of the Moon wristwatch runs on a Co-Axial calibre 9300 movement, which is visible via the beveled exhibition case back. If you're in the market for a unique edition of the coveted Moonwatch, then this pre-owned Omega is the watch to consider.

htThe Omega Speedmaster professional chronograph, or Moonwatch, is the master of precision timekeeping. Trusted by Nasa as a tool watch for Astronauts, the Omega Speedmaster has famously accompanied astronauts on six lunar missions. Its impressive chronograph function includes a seconds subdial, 30-minute subdial, 12-hour subdial, and central sweeping hand. Pushing the side pushers engages the chronograph function, allowing the wearer to use their Omega Speedmaster as a stopwatch. The case is also outfitted with a Tachymetric bezel that can be used to measure incredible speeds, a particularly useful function for astronauts and professional drivers. The case is waterproof up to 50 meters and outfitted with a Hesalite crystal. The Omega calibre 1861 movement beats within the case and boasts manual-winding and a 48-hour power reserve.tps://www.youtube.com/watch?v=BY9h4wqKbbk
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 Omega 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.

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  • 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

"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.