|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|
|Case Size||40 mm|
|Case Thickness||16 mm|
Band Material: 316L. The material in this band comes from 316L. For daily seawater corrosion, 316L steel is completely sufficient.
Power Reserve: 40 Hours. A good power reserve is so impotant, the watch is 40 hours power reserve, which is long lasting and enduarable.
Water Resistance: 100 meters. About the watch, the waterproof depth is 100 meters, which is similar as real watch.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)
Case Back: Solid. The hard solid bottom cover can make the watch more durable, they can withstand harsh outdoor environments, such as rain, snow, cold or hot weather.
Engine: Rolex Calibre 7750. The watch uses the Swiss-made 7750 movement. The normalization ability of this movement ensures the reliability of overcoming these movement resistances.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Watch Case: 316L. A good case can better protect your watch. 316L is 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.
Crystal: Sapphire Crystal. For watches, crystal is a very important part. Sapphire has higher impact resistance, air tightness and hardness than other materials, and its processing cost is also high, so most of it is used for top watch brands.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers.Something that shines allows you to find time in the dark.
Dial Markers: Index. The watch with index instead of Roman numerals to show us the time.