|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 band is made of 316L, which 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.
Watch Case: 316L. The raw material of this watch is the hardest 316L, which can be polished, frosted, and can be plated with various materials. It has stable performance and is the best choice for the case.
Case Back: Solid. Patek Philippe usually uses a solid back cover, which is usually used to protect the movement of the watch from scratches and external damage. These watch cases can also increase the durability and strength of the watch movement.
Crystal: Sapphire Crystal. The material of the watch can isolate moisture and dust, protect the hands, dial and movement. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. Regarding this watch, hand design is gold-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the minute mark around the outer edge of the dial.
Dial Markers: Diamonds. Using diamonds as markers instead of Roman numerals will affect the appearance of the dial.
Luminiscence: Hands. As for the watch’s luminiscence, it is hands. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The stainless steel bezel made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Clasp: Fold Over Clasp. Our watch uses a folding buckle strap, 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. But make sure to close the crown properly. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.