|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|Movement||Rolex Calibre 4130||Genuine Swiss Clone 4130 movement||Swiss 7750 Movement||Asian MingZhu 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 7750|
Dial Markers: Index. These indexs in the watch uses some simple index marks to display the time, making the dial more simple and stylish.
Crystal: Sapphire Crystal. A good sapphire mirror is conducive to viewing and can bring a brand new visual effect when looking at the time.
Hands: Gold-Tone. For the watch, the hands is gold-tone. It blends perfectly with the dial.
Power Reserve: 40 Hours. If you are looking for a good power reserve watch, we are your best choice, the watch is 40 hours power reserve that is long lasting and enduarable.
Engine: Rolex Calibre 7750. ETA 7750 3200-task Swiss movement. This is a highly precise timepiece with a powerful ability to accurately display time and date information, as well as timing functions. The ETA 7750 movement is a Swiss-made quartz movement with higher accuracy than ordinary quartz movements.
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.
Case Back: Solid. The hard solid bottom cover can be used for many years. There are many boxes made of various materials. These watch cases cannot prevent damage and are easily damaged. The backs of these watches are sturdy and can be used for many years.
Band Material: 316L. The band made of 316L swept the major material masters and became the mainstream material of high-end fashion jewelry in Europe and America.
Water Resistance: 100 meters. We make the watch waterproof at 100 meters. But please make sure you close the crown properly.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)
Watch Case: 316L. The case is made of 316L stainless steel, which has excellent corrosion resistance. It is good at hypoallergenic and scratch resistant.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the clock hand, and this design element has been used in many well-known designs such as watches and other objects.