|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|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|
|Series||Gmt Master Ii|
Band Material: 316L. The watch band is made of the best 316L stainless steel, which is a medium-to-high-end band material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Watch Case: 316L. The raw material of this watch is the hardest 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Case Back: Solid. In the world of watches, a sturdy back cover is very important, and the water resistance will be better than a transparent one. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. For watches, crystal is a very important component, sapphire is high-end, and has a good reputation. Tips: The A Replica is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The design of other markers in the watch, as shown in the picture above, is the minute markers around the outer edge.
Dial Markers: luminous dot. The luminous point in the watch jar is a new type of sensor that can detect the time in the dark. When receiving a signal from an external source, this point will light up. It then sends a signal to the computing device, telling it when to turn the lights on and off.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. The luminous things makes you find the time in dark.
Bezel Material: Stainless Steel. The bezel, made of stainless steel bezel, is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. The clasp of the watch which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it 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.