|Grade||Genuine Rolex||3a 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|
|Case Color||Yellow Gold-tone|
Band Material: 316L. This watch band is made of the best 316L stainless steel, which has very good corrosion resistance and good texture.
Watch Case: 316L. The raw material of this case is 316L, you can always live in peace with your skin without causing harm.
Case Back: Solid. The solid case back can transmit impact better than the plastic case back.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is conducive to viewing and can bring new visual effects to people when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. As for the watch’s hands, it is gold-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second marked design is called the hand of the clock. This design element is used in many well-known designs such as clocks, clocks and other objects.
Luminiscence: Hands. As for the watch’s luminiscence, it is hands. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch 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. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.