|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 3130||Genuine Swiss3130 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||Blue Dial|
|Engine||Rolex Calibre 2813|
Dial Markers: Luminous Index. The luminous sticks in the watch are the eyes of the watch, which can help you see the time clearly even in the dark. It is an advanced color sensor that can detect light levels of 2.5 lux or less with a range of up to 100 meters.
Watch Case: 316L. The case is made of 316L stainless steel, which is a highly durable and corrosion-resistant material.
Hand: Silver-tone. For the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Case Back: Solid. The case uses a thickened solid back cover, and the screw-in design ensures tight waterproof performance. The solid back cover has excellent waterproof performance and durability.
Crystal: Mineral Glass. Watches made of mineral glass are a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness.
Band Material: 316L. The band has 316L polishable, frostable, and can be plated with a variety of materials. It has stable performance and is the best choice for the band.
Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. The luminous things makes you find the time in dark.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, full enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time, also known as a clock hand, which has been used in many well-known designs, such as watches and other objects.