|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3135||Genuine Swiss 3135 movement||Swiss 2836 Movement||Asian 2813 Movement|
|Time Accuracy||-3/+5 sec per day COSC certified||-5/+6 sec per day COSC certified||-10/+10 sec per day COSC certified||-1/+2 min per day COSC certified|
|Stainless Steel Type||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal correct date magnification||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||90% Exact on entire watch||70% Exact on entire watch|
|Dial||Genuine Rolex||Exact detail and font||90% exact detail and font||70% Exact detail and font|
|Luminous Markers||Rolex Lumen||SuperLuminova Swiss Lumen||Swiss Lumen||Normal Lumen|
|Waterproof||100m on standard models||Tested up to 300m||Tested up to 30m||Life waterproof|
|Life expectancy||Lifetime||Lifetime||3-5 years||1-2 years|
|Warranty||2 Years||Up to 5 Years||Up to 3 Years||Up to 1 Years|
|Dial Color||Champagne Dial|
Case Back: Solid. xxx usually uses a solid back cover, which transmits vibrations better than the back of a plastic case.
Crystal: Sapphire Crystal. The sapphire crystal is a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%. Tips: The Automatic is applied with mineral glass instead of sapphire.
Function: Date, Hour, Minute, Second. The watch is equipped with a functional timer that can be used to measure hours and seconds accordingly.
Second Markers: Minute Markers around the outer rim. The design of the dial is also called the hands of the clock. This design element is used in many well-known designs, such as clocks and other objects.
Dial Markers: Diamonds. The luxurious diamonds marked on the watch dial are used as markers instead of Roman numerals to indicate the time.
Luminiscence: Hands. As you can see in the pictures above, the luminescence of the watch is hands. It makes your watch look more funny and functional.
Watch Case: 316L. The material in this case comes from 316L. For daily seawater corrosion, 316L steel is completely sufficient.
Clasp: Fold Over Clasp. The clasp of the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss