|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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Band Material: 316L. This band uses the best 316L, you can always live in peace with your skin without causing harm.
Watch Case: 316L. The material in this case comes from 316L stainless steel, which has excellent corrosion resistance. It is hypoallergenic and scratch resistant.
Case Back: Solid. xxxxx commonly use solid bottom covers, which can allow you to use longer and keep the watch longer.
Crystal: Sapphire Crystal. The material of the watch is a very common glass, which can protect your watch from scratches. Tips: The A 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.
Dial Markers: Index. We can use watches with indexes, as markers instead of Roman numerals will affect the appearance of the dial.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. A stainless steel bezel has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.
Clasp: Fold Over Clasp. The innovative design of this watch which is more durable and stylish.
Water Resistance: 30 meters. We make the watch waterproof at 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.