|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|
Band Material: Leather.A high-end watch with a leather strap is of good quality and comfortable to wear.
Watch Case: 316L. The best used 316L for the case is 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.
Case Back: Solid. The solid bottom cover is not soft or inflexible in any respect. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. The watch uses sapphire crystal with very high hardness. The Mohs hardness is as high as 9, second only to diamonds. The 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.
Hands: Gold-tone. For the watch, the hands is gold-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial The second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Luminous Index. Many people can’t tell the time in the dark. This watch has a luminous stick, which is a small LED light source, which can be used as a time indicator for the watch.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. It can help you know the corresponding time when you running in dark.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Clasp: Deployment. This watch case has a designed clasp which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 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.