|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|Movement||Rolex Calibre 3285||Genuine Swiss Clone 3285 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|
|Bezels||Bi-directional Rotating||Bi-directional Rotating||Fixed||Fixed|
|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|
|Dial Color||Black Dial|
|Series||Gmt Master Ii|
Band Material: 316L. The band has 316L, the density component is close to iron, and generally does not affect the human body. This material is often used in the straps of Swiss watches.
Watch Case: 316L. The case is made of solid 316L, one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Case Back: Solid. The case has a thick back, which transmits vibration better than the back of a plastic case.
Crystal: Sapphire Crystal. Watches made of sapphire crystal can feel a clear and bright field of vision when looking at the time. Tips: The A Replica is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The design of the second minute mark around the outer edge.
Dial Markers: luminous dot. A study shows that the human eye is very sensitive to light at night, it will highlight when you are about to look at the watch, and then gradually darken when you look at the watch.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. It can help you know the corresponding time in the dark.
Clasp: Deployment. This is a great way to protect and store your watch, which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But make sure to close the crown properly. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.