|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|
Watch Case: 316L. This watch case uses the best 316L, which not only directly protects the internal parts of the watch, but also determines the performance indicators of the watch to a large extent.
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.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it has good thermal properties, excellent electrical and dielectric properties, and chemical resistance. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which is delicated and cool.
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 Index. The luminous sticks watch allows you to easily watch the time even in the dark.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. It helps you know the according time when in dark.
Bezel Material: Ceramics Bezel. The ceramic material is one of the best materials for watches. It is more noble and elegant. It makes you improve your temperament from the inside out.
Clasp: Deployment. This watch case has a designed lock which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters, full enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.