|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. This case uses the best 316L, which is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Case Back: Solid. The case has a thick back, which is neither soft nor flexible. Made of steel, it has excellent durability and scratch resistance.
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. The design of the watch’s hands is gold-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is located on the outside of the clock and is used to indicate the time.
Dial Markers: Diamonds. Diamond dial markers determine the time by observing diamonds, which is different from ordinary dials.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It makes your watch look more high-end.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters, full enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.