|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|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|
|Dial Color||Black Dial|
Watch Case: 316L. The case uses 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Case Back: Solid. In the world of watches, a sturdy back cover is very important and even the most important part of a watch. It is strong, durable and scratch resistant.
Crystal: Sapphire Crystal. Sapphire crystal is a lustrous and transparent crystal, often used in high-precision optical instruments. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The style of the watch’s hands is gold-tone, which is the perfect color to fit the watch.
Second Markers: Minute Markers around the outer rim. The second hand of the watch is designed as shown in the picture above, with minute markers on the outer edge, as shown in the picture above.
Dial Markers: Index. The watch with index unlike a normal dial, you can see the time by looking at the index.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. With this watch, you can know time anywhere and anytime.
Clasp: Fold Over Clasp. This watch case has a designed lock which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters that is enough for no worries. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.