|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|
|Dial Color||Black Dial|
Band Material: Rubber.As you can see, many rubber bands are used in xxxxx watches, which is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Watch Case: 316L. For the case of the hardest 316L material used for daily seawater corrosion, 316L steel is completely sufficient.
Case Back: Solid. The sturdy case back is not soft or flexible in any way. It is made of steel, very durable and scratch-resistant.
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. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The design of the watch’s hands is gold-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The minute mark design of the dial around the outer edge.
Dial Markers: Index. Index dial markers are used as markers instead of Roman numerals to indicate the time.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It can help you know the corresponding time in the dark.
Clasp: Fold Over Clasp. This watch use a fold over clasp to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters that is enough for no worries. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.