|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|
Watch Case: 316L. The case of 316L material has a density close to that of iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Solid. The hard solid caseback is the most important part of the watch. It is strong, durable and scratch resistant.
Crystal: Sapphire Crystal. Sapphire crystal has extremely high hardness, with Mohs hardness as high as 9, second only to diamond, and almost 3 times the hardness of mineral glass and 20 times that of acrylic mirrors. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. About the hand design of the watch is gold-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Luminous Index. According to a study, the human eye is very sensitive to light at night, which is a technology that makes the watch more exciting and exciting. It can help you see the time in the dark. A person can determine whether it is morning or evening from the sitting posture when he looks at the dial of the watch and from where he looks.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. It makes your watch look more funny and functional.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, is more noble and elegant. It makes you improve your temperament from the inside out.
Clasp: Deployment. The innovative design of this watch which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters. But please make sure you close the crown properly. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.