What does Swiss T 25 mean on a Rolex?

What does Swiss T 25 mean on a Rolex?

“Swiss T<25” means that the watch is Swiss and contains a certain quantity of tritium that emits less than 925 MBq (25 mCi). Most Swiss watches use photoluminescent light emission, sometimes indicated by the optional marking, “L Swiss Made L”.

When did Rolex use T Swiss made T?

1964 – 1967, The new generation tritium luminous got added on glossy dials, signing chanced from “Swiss” to “Swiss – T<25” & “T-Swiss-T”. 1967 – 1983, The matte dial with tritium luminous got introduced by Rolex.

What does T Swiss t mean on a Rolex?

“T Swiss made T” This printing indicates that the watch uses tritium (T=tritium) and tells us that the tritium emits less than 227 MBq (7.5 mCi). This printing also indicates that the indices are made in gold.

How can you tell real Rolex from fake?

An authentic watch will have a deeply engraved serial number. You should be able to hold it to the light and see a slight glow around the edges. A fake will have worn down or sloppy engraving, as the process counterfeiters use is not exact enough to replicate the clean Rolex serial number.

Does Rolex say Swiss made?

Almost all Swiss watches have “Swiss Made” or “Swiss,” sometimes surrounded by Ts, at six o’clock on the dial in small font. This may be hard to see with the naked eye. Every part of a Rolex is made in-house, so it should not have any parts that are not made in Switzerland.

When did Rolex stop using tritium?

1998
When did Rolex stop using tritium? In 1998 once the use of tritium paint was banned. They have been using Luminova instead.

Does Rolex say Swiss or Swiss Made?

How can you tell an original Rolex?

In-Depth Nine Basic Things You Should Always Look At Before Buying A Vintage Rolex

1. Look For Authenticity First, Everything Else Later.
2. Check The Age Of The Dial.
3. Check The Condition Of The Dial.
4. Read Between The Lugs.
5. Carefully Examine The Case Back And Crown.
6. Examine The Bracelet.

What is a Swiss only dial?

”Swiss only” refers to the small printing on the bottom of the dial at 6 o’clock on some Rolex watches. And the fact is that the printing at the bottom of the dial varies depending on what model it is and when it was made. Rolex then moved on to tritium, but eventually changed to a new material in 1998 – Luminova.

Can I check a Rolex serial number?

In order to find your Rolex serial number, look on the side of the case between the lugs. These will be found behind the bracelet by the 6 o’clock area. By noting what this 4-8 digit number is that’s engraved on every watch by Rolex, it can be determined what the production date is.

Do Rolex watches glow in the dark?

Chromalight, according to Rolex, glows more quickly and can last up to eight hours, which is more than double the time of other luminous materials. Moreover, rather than green, it gives off a blue glow-in-the-dark hue, which is said to be easier for human eyes to read in the dark.

Is tritium illegal in the US?

Tritium does not in itself emit light but excites phosphors, thereby generating light. Due to U.S. regulations regarding radioactive substances, all of the above items can be legally sold in the U.S., as the manufacturers of such products require special licensing in order to integrate tritium into their products.