|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/Mingzhu Engine|
|Dial Color||Aerolite Dial|
Watch Case: 316L. The raw material of this watch case is 316L stainless steel, which has very good corrosion resistance and good texture.
Case Back: Solid. The sturdy case back can make the watch more durable, and they can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch, also known as the hand, this design element has been used in many well-known designs.
Dial Markers: Luminous Index. 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. The luminous things makes you find the time in dark.
Bezel Material: Ceramics Bezel. Ceramic Bezel is a material that is the perfect material to use when designing a watch. The bezel will have elegant elegance, high performance, and high durability.
Clasp: Fold Over Clasp. This watch case has a designed clasp which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which has a good waterproof function. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.