|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|
|Dial Color||White Dial|
Case Back: Solid. The sturdy case back is neither soft nor flexible. Made of steel, it has excellent durability and scratch resistance.
Dial Markers: Diamonds. Diamonds in the watch can be used as markers, instead of Roman numerals will affect the appearance of the dial.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element representing time, also called a clock hand, which has been used in many famous designs, such as watches and other objects.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a high-quality optical material that is often used in the construction of watches. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. Tips: The Automatic is applied with mineral glass instead of sapphire.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which has a good waterproof function. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Band Material: 316L. Our watch band is made of 316L material, which not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Bezel Material: Stainless Steel. The bezel, made of stainless steel bezel, is a high-end material made from stainless steel bezel. It is the most expensive material of the watch. In addition, stainless steel bezel is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Watch Case: 316L. The chassis is made of 316L, which has the best corrosion in daily seawater, and 316L steel is completely sufficient.
Hands: Gold-tone. About the watch, the hands is gold-tone, which is delicated and cool.