|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. The case is made of 316L, which is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Case Back: Solid. The screw-in design of the solid bottom cover ensures tight waterproof performance, and the solid bottom cover has superior waterproof performance and durability.
Crystal: Sapphire Crystal. For a watch, crystal is a very important part, with a very high hardness, with Mohs hardness as high as 9, second only to diamonds. Its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The minute mark design of the dial around the outer edge.
Dial Markers: Luminous Index. The luminous sticks on the watch can when you are in the dark, just check this sticks, you can know what time it is now.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. With this watch, you will lose your time in dark.
Bezel Material: Ceramics Bezel. A luxury watch with a ceramic bezel is more noble and elegant. It makes you improve your temperament from the inside out.
Clasp: Deployment. The combination of a watch case and a bracelet watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The watch’s waterproof depth 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.