|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss 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|
|Dial Color||Black Dial|
Clasp: Deployment. Our this watch uses a deployment clasp allows the user to fold it into several positions or angles for unique use.
Watch Case: 316L. With a shell made of 316L, you can always live in peace with your skin without causing harm.
Case Back: Solid. We use a sturdy back cover, which is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. As you can see in the pictures above.
Hands: Gold-tone. For the watch, the hands is gold-tone, which fits your watch’s dial well.
Bezel Material: Stainless Steel. A stainless steel bezel a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is definitely enough for your daily life. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Crystal: Sapphire Crystal. The crystal design allows people to feel a clear and bright vision when looking at the time. Tips: The watch is applied with mineral glass instead of sapphire.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss