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Category Archives for Preowned Rolex

What is teh rotating bezel on my watch for?

Question by inspecther_dave: What is teh rotating bezel on my watch for?
On my watch the outside bezel rotates and i have heard that it is used as a tachymeter. I dont know if this is true and if it is how do i use it? I looked it up online and i did not understand how my watch could be used to do these calculations… any help would be greatly appreciated… thanks..
p.s. hers a picture of teh watch so you can see what the bezel looks like to see if it is possible with the watch… thanks again!

Best answer:

Answer by Garrett B
I have two watches with such revolving bezels: Rolex “Datejust Turn-O-Graph” and Helbros. This is for timing a 60 minute air supply when one is skindiving. A chronograph may have a tachymeter (or tachometer)that measures average speed over a measured didtance, e.g. mile markers on interstate highwys. That has a 60 above the 12:00 mark. Your watch is not a chronograph with stopwatch, so it cannot use a tachymeter.

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How much is this Rolex watch worth?

Question by Sean: How much is this Rolex watch worth?
This is my mothers watch and its about 40+ years old, I am trying to figure out how much it’s worth.
Here is the picture of it and I had few people look at it and they couldn’t put a price on it ( because it’s so old).

Best answer:

Answer by Kristian
The best way to get a real estimate of your mother’s Rolex is actually to know what kind of Rolex it is.

Go to the nearest Rolex agent/reseller/certified shop and find out what kind of Rolex you have. You will get a quote or an estimate as well.

After you have the full details, you can return to Google and look up what might be the price of such a watch.

If you do not have a watch shop or a reseller nearby, post your photos of the watch on sites like with the following showing (zoom in or Macro photograph):

– Back side of watch

– Full bezel and watch face

– zoom on date area

– zoom on written descriptions on watch face

You can also find out if this is a real Rolex by going here


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How can I tell if a rolex watch is real?

Question by S1lent: How can I tell if a rolex watch is real?
How can I tell if the Rolex watch is real?

Best answer:

I just copied it all from the site, that I posted at the bottom:

CLEAR CASEBACKS… Probably one of the easiest ways to identify a fake Rolex is by the caseback. Counterfeiters will often use a clear display, or “skeleton” caseback, thus allowing you to view the inner workings of the watch. The problem is Rolex does not make such a watch, therefore, these models are easily identified as counterfeit. (Please Note: There are only 2 “known” examples of Rolex watches with glass “exhibition backs”, and they are both vintage manual wind models from the 1930s, and they were not “production” models.)


Counterfeit Rolex models with “engraved casebacks”.
Left: Counterfeit Submariner with engraved hallmarks & logos.
Right: Counterfeit Daytona with engraved “Winner Rolex 24”.

ENGRAVED CASEBACKS… In addition to the “clear casebacks” listed above, engraved casebacks are another easy way to identify counterfeit Rolex watches. Again, Rolex does not engrave the caseback with logos, hallmarks, or designs (as shown in the example above). Genuine Rolex models will have a “smooth” caseback, and are free of these engravings.
The rare exceptions to this are ladies’ models (prior to the mid 1990’s) which had “Original Rolex Design” or a similar variation thereof, engraved on the caseback in an arc fashion. Another exception is on the Sea-Dweller case backs which will have “ROLEX OYSTER ORIGINAL GAS ESCAPE VALVE” engraved around the outside of the caseback in an arc fashion.


Comparison of genuine and counterfiet “hologram stickers”.
Left: Genuine Rolex hologram-encoded 3-dimensional sticker.
Right: Counterfeit fabricated hologram sticker.

HOLOGRAM STICKERS… Genuine Rolex models are shipped new from the factory with a Hologram-encoded (3-dimensional) sticker on the caseback. This sticker features the trademarked Rolex “crown” positioned above the watch’s case reference number. The hologram can be easily identified by viewing it from different angles, thus causing the background pattern to change.
However, “most” counterfeit stickers are not holograms at all, but rather simply a repetitious “Rolex” pattern which does not change in appearance when viewed from different angles. It is worth mentioning that the genuine Rolex hologram stickers did not feature the “crown logo” as a part of the hologram until (around) 2002, when the sticker was redesigned. At that time, the Reference number was also changed from gold lettering to black, as it is currently.


Comparison of a genuine and counterfiet “date magnification”.
Left: Genuine Rolex Submariner with proper (2.5 times) date magnification.
Right: Counterfiet Rolex Submariner with much smaller date magnification.

DATE MAGNIFICATION… For authentic Rolexes, the crystal (on all current date models–excluding the Sea-Dweller) will have a glass bubble, or “cyclops” attached to the crystal, positioned over the date. Its purpose is to magnify the tiny aperture and does so at 2.5 times magnification.
However, on MOST counterfiet models the date magnification is more like 1.5 times, at best (as shown in the example above). This may not sound like much of a difference, but when looking at the dates side-by-side it’s obvious. The date window should practically “fill up” the cyclops–the fakes don’t even come close. It is worth mentioning that some counterfeits are now featuring a new larger font date wheel to give the “illusion” of being magnified at a full 2.5 times.


Comparison of a genuine and counterfeit “Triplock crown seal”.
Left: Genuine Rolex Submariner Triplock crown with rubber o-ring seal.
Right: Counterfeit Rolex Submariner basic crown without seal.

TRIPLOCK CROWN SEAL… Rolex models featuring the Triplock crown (i.e. Submariner, Sea-Dweller and Daytona) utilize an extra seal within the threads of the winding crown’s tube. This gasket resembles a black o-ring and can be visible when the winding crown is unscrewed fully. As shown in the example above, (most) counterfeit models will not feature this o-ring seal, but rather will have basic screw-down threads. It is worth mentioning that some new counterfeits will feature a “similar” looking rubber seal, but upon closer examination you will see that it is merely cosmetic, and is not functional.
As shown in the image below, t

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Vintage Rolex Watch Ladies vintage Rolex watch in 14K gold. Caliber Rolex 1400, 17 jewels.

Vintage Rolex reference 6284 with a blue dial available at
Video Rating: 5 / 5

Buy Used Rolex GMT-Master II Men’s Rolex Watch

Purchase a Men’s GMT-Master II Rolex Watch 16713 at Bob’s Watches, the premier online Rolex Exchange for pre-owned and Rolex Watches. By Avi at Here’s a rare look inside the Rolex Masterpiece. Removing the back of a Rolex, Examining the movement and markings. Serial numbers and model mumbers of Rolex. Examination of the heavy 18kt gold bracelet and clasp.
Video Rating: 4 / 5

Bulova Men’s 98A106 Marine Star Automatic Two-Tone Stainless Steel Watch

Bulova Men’s 98A106 Marine Star Automatic Two-Tone Stainless Steel Watch

  • Quality Japanese Automatic movement; Functions without a battery; Powers automatically with the movement of your arm
  • Partial skeleton dial; Gold-tone crown with Bulova insignia
  • Polished stainless steel case; Polished gold-tone stainless steel bezel; Polished two-tone stainless steel bracelet
  • Mineral crystal protects dial
  • Water-resistant to 330 feet (100 M)

List Price: $ 499.00

Price: $ 299.40

Vintage Rolex Daytona Paul Newman A party to offer our appreciation to all our loyal clients from all over the world, a great evening with some of the most rare watches on display along with fine food and wine, a KNIGHTSBRIDGE CELEBRATION
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