|Grade||Genuine Rolex||AAA 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|
Band Material: 316L. The watch band is made of 316L, which will never deform, and is environmentally friendly.
Watch Case: 316L. The case uses 316L, which is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Case Back: Solid. The sturdy case back allows you to use and keep the watch longer.
Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. Regarding this watch, hand design is gold-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The small mark on 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 clock to indicate the time.
Dial Markers: Index. The index on the dial are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The bezel, made of 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.
Clasp: Fold Over Clasp. A fold over clasp are used here allows the user to fold it into several positions or angles for unique and unique use.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters that is enough for no worries. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.