|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|
|Dial Color||Black Dial|
Watch Case: 316L. The raw material of this watch is the hardest 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Power Reserve: 40 Hours. As for the power reserve, we apply with 40 hours of power reserve and 28800 swings, which is pretty good.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries, also known as hands. This design element has been used in many well-known designs.
Engine: Rolex Calibre 7750. The ETA 7750 movement is a Swiss-made quartz movement, which is more accurate than ordinary quartz movements and is better than ordinary mechanical movements in improving watch accuracy.
Dial Markers: Index. The index in a watch can to determine time by looking at the index, which is different from normal dial.
Water Resistance: 100 meters. As for the waterproof depth of the watch, it is 100 meters, which is fully enough for your daily life.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)
Band Material: 316L. The raw material of this band is 316L, which is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Case Back: Solid. The case has a thick back, which is a great way to add style and elegance to your wrist. Scratch-resistant and wear-resistant watches are becoming more and more popular.
Clasp: Fold Over Clasp. This watch case has a designed clasp which is more durable and stylish.
Hand: Silver Tone. The style of the watch’s hands is silver-tone, which is delicated and cool.