|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss 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||White Dial|
Band Material: 316L. The raw material in this band is 316L for daily seawater corrosion, this steel is completely sufficient.
Watch Case: 316L. The case material is solid 316L, which can be polished, frosted, and can be plated with a variety of materials. It has stable performance and is the best choice for the case.
Case Back: Solid. The hard solid bottom cover is not soft or inflexible in any way. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. The hardness of a good sapphire mirror is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirror. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The design of the watch’s hands is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The design of the other markers in the watch is the minute markers around the outer edge, as shown in the picture above.
Dial Markers: Index. According to a study, the human eye is sensitive to point, unlike a normal dial, you can see the time by looking at the index.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. The luminous things makes your watch more delicate and high-end.
Bezel Material: Stainless Steel. The watch bezel is the most expensive component of the watch. It is made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Clasp: Fold Over Clasp. The innovative design of this 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. We make the watch waterproof at 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.