|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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Crystal: Mineral Glass. Mineral Glass glass is a natural material that can reflect light to create optical illusions. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Band Material: 316L. A good band can better protect your watch, and 316L stainless steel makes it durable, reliable and durable.
Hands: Gold-tone. The watch’s hands is gold-tone, which can highly improve the outlook of the watch.
Watch Case: 316L. The case uses the best 316L stainless steel to make it durable, reliable and durable.
Clasp: Fold Over Clasp. This watch use a fold over clasp which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Case Back: Solid. The solid case back can transmit impact better than the plastic case back.
Second Markers: Minute Markers around the outer rim. The design of the dial can be used in various applications, such as clocks and radios with clocks, to create timeless creations.