|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|
|Case Size||40 mm|
|Engine||Rolex Calibre 7750|
Engine: Rolex Calibre 7750. ETA 7750 is a Swiss-made timepiece with extremely high performance and precision. As one of the commonly used Swiss movements, the 7750 movement is excellent in terms of quality and reputation.
Watch Case: 316L. The situation is that 316L is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Case Back: Solid. In the world of watches, a sturdy back cover is very important, and the water resistance will be better than a transparent one. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. Sapphire glass can feel a clear and bright field of vision when looking at the time.
Hand: Silver Tone. Regarding this watch, hand design is silver-tone, which is the same color as your case color.
Second Markers: Minute Markers around the outer rim. The minute mark design of the dial around the outer edge.
Dial Markers: Index. The luxury index of the watch dial markers index dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It helps you know the according time when in dark.
Band Material: 316L. The raw material of this band is 316L, one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which allows the user to fold it over in multiple positions or angles for unique and unique use.
Water Resistance: 100 meters. As for the waterproof depth of the watch, it is 100 meters. But please make sure you close the crown properly.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)
Power Reserve: 40 Hours. A good power reserve is used for the watch, 40 hours power reserve and 28800 fluctuations, which is pretty good.