|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 316L daily seawater corrosion, this kind of steel is sufficient.
Case Back: Solid. In the world of watches, a sturdy back cover is very important. It can transmit impact better than the plastic back cover of a watch.
Crystal: Sapphire Crystal. The sapphire crystal mirror is made of high-quality optical materials and is often used in the manufacture of watches. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The hand design of the watch is gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The second mark on the watch The second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Index. The watch with index show us what time it is, differ from ordinary dial.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which is more durable and stylish.
Water Resistance: 30 meters. The waterproof depth of the watch 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.