|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|
|Case Size||40 mm|
|Dial Color||Black Dail|
Engine: Rolex Calibre 7750. ETA 7750 is a Swiss-made timepiece with extremely high performance and precision. It was originally developed for civil aviation, but it turned out to be an excellent solution for timepieces. These actions are not only accurate to within 0.1 second at any temperature, but also reliable in the event of a power failure.
Watch Case: 316L. The material in this case comes from 316L stainless steel, which is a very durable and corrosion resistant material.
Case Back: Solid. A hard bottom cover will have better water resistance than a through bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. Its hardness is very high, with Mohs hardness as high as 9, second only to diamond. Its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors.
Hands: Gold-Tone. The design of the watch’s hands is gold-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time, and the minute mark around the outer edge is as shown in the picture above.
Dial Markers: Index. Index dial markers use indexes as dial markers to indicate the time.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. With this watch, you can know time anywhere and anytime.
Band Material: 316L. A good band can better protect your watch. 316L is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Clasp: Fold Over Clasp. The innovative design of this watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 100 meters. As for the waterproof depth of the watch, it is 100 meters, which is definitely 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.)
Power Reserve: 40 Hours. As for the power reserve, we apply with 40 hours power reserve, which is long lasting and enduarable.