|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|
Band Material: 316L. The raw material of this watch is the hardest 316L, 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.
Watch Case: 316L. The situation is that 316L has swept the major material masters and has become the mainstream material for high-end fashion jewelry in Europe and America.
Case Back: Solid. The strong bottom cover will have better water resistance than the through bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. For watches, crystal is a very important part. A special anti-reflective coating can minimize light reflection and provide scratch resistance without affecting its luster. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. As for the watch’s hands, it is gold-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of the second mark can be used in many different applications, such as watches, clock radios, etc. to create timeless works.
Dial Markers: Index. The index on the dial are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch which is more durable and stylish.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is a good feature for the watch. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.