|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|
Watch Case: 316L. The material in this example comes from 316L stainless steel, which is a medium-to-high-grade shell material. Because it contains molybdenum, it is more corrosion-resistant than 304, and the grade is also higher.
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.
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.
Band Material: 316L. The material in this band comes from 316L, which has excellent corrosion resistance, excellent wear resistance and good wear resistance.
Power Reserve: 40 Hours. The power reserve of the watch is 40 hours of full use, as strong as genuine Rolex.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. It makes your watch look more funny and functional.
Crystal: Sapphire Crystal. The sapphire crystal has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability.
Engine: Rolex Calibre 7750. ETA 7750 is a Swiss-made timepiece with extremely high performance and precision. Automatic board. At the same time, 2892 is recognized by all watchmakers as the most precise and stable model of ETA, equipped with an annular balance, 21 stones, two-way automatic winding, 28800 vibrations per hour, and an eccentric screw fine-tuner. Easy to fine-tune precisely.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above. It is also called the hand of a clock. This design element is used in many famous designs, such as clocks and other objects.
Hand: Silver Tone. The design of the watch’s hands is silver-tone, which is delicated and cool.
Water Resistance: 100 meters. About the watreproof depth of the watch, it is 100 meters. But please make sure you close the crown properly.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)