|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 3235||Genuine Swiss3235 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|
|Engine||Rolex Calibre 2836/2813|
Clasp: Fold Over Clasp. The clasp of the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Band Material: 316L. The band has 316L, which not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Hand: Silver-tone. For the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Watch Case: 316L. The case is made of 316L, which is the most corroded by daily seawater, which is sufficient for this kind of steel.
Function: Date, Hour, Minute, Second. The watch has many functions that can be used to measure hours and seconds accordingly.
Second Markers: Minute Markers around the outer rim. The design of the dial is called the hands of the clock. This design element is used in many well-known designs such as clocks, clocks and other objects.
Crystal: Sapphire Crystal. The sapphire crystal has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is more simple and endurable. It makes you improve your temperament from the inside out.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It helps you know the according time when in dark.