|Grade||Genuine Rolex||3a swis||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|
|Dial Color||Black Dial|
Watch Case: 316L. The case is 316L stainless steel, which has the flexibility to form and maintain precise shapes. This makes it durable and can withstand extreme temperatures.
Case Back: Solid. In the watch world, a sturdy back cover is very important and is usually used to protect the movement of the watch from scratches and external damage. These watch cases can also increase the durability and strength of the watch movement.
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.
Hand: Black-tone. For the watch, the hands is black-tone that is simple but luxury.
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: Diamonds. The diamonds in a watch are different from ordinary dials. The watch uses a few simple diamonds to mark the dial to indicate the current time.
Luminiscence: Hands. The watch’s luminiscence is hands. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. A stainless steel bezel is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. Deployment clasps are used here which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.