|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|
|Dial Color||Black Dial|
Crystal: Sapphire Crystal. The sapphire crystal glass adopts a special anti-reflective coating to minimize light reflection and provide scratch resistance without affecting its brilliance. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters.
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. The second mark is a small disc placed on the outside of the watch to indicate the time.
Clasp: Fold Over Clasp. This watch case has a designed lock allows the user to fold it into several positions or angles for unique and unique use.
Power Reserve: 40 Hours. As for the power reserve, we apply with 40 hours power reserve, which is long lasting and enduarable.
Water Resistance: 100 meters. The watch we use a waterproof at 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.)
Case Back: Solid. We use a sturdy bottom cover, which allows you to use and keep the watch for a long time.
Hand: Silver Tone. The style of the watch’s hands is silver-tone, which can highly improve the outlook of the watch.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
Watch Case: 316L. The case made of 316L not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Engine: Rolex 7750 movement. ETA 7750 is a modern and modern watch. This is a highly precise timepiece with a powerful ability to accurately display time and date information, as well as a chronograph function. The ETA 7750 movement is a Swiss-made quartz movement with higher accuracy than ordinary quartz movements.