|Grade||Genuine Rolex||AAA Swiss||Swiss||Automatic|
|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/Mingzhu Engine|
Band Material: 316L. The raw material in this band is 316L for daily seawater corrosion, this steel is completely sufficient.
Watch Case: 316L. This case uses the best 316L, you can always live in peace with your skin without causing harm.
Case Back: Solid. The case has a thick back, which transmits vibration better than the back of a plastic case.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a very common glass that can protect your watch from scratches. Tips: The Automatic is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries, also known as clock hands, this design element is used in many well-known designs.
Dial Markers: Luminous Index. Many people can’t tell the time in the dark. This watch has a luminous stick, allowing you to easily read the time even in the dark.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It helps you know the according time when in dark.
Bezel Material: Stainless Steel. Bezel material is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more fused look and enhances the usability of the timepiece.
Clasp: Fold Over Clasp. The clasp design of the watch which is more durable and stylish.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, which is similar as real watch. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.