|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|
|Engine||Rolex Calibre 7750|
Dial Markers: Arabic Numeral. The watch uses an arabic numeral as a dial marker uses some simple number marks to display the time, making the dial more simple and stylish.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time, called the hand of a clock. This design element is used in many famous designs, such as clocks, clocks and so on.
Case Back: Solid. The solid bottom cover is solemn, practical, not flashy, does not follow the trend, and stabilizes the position.
Band Material: Leather.As a new product, leather straps has excellent properties in preventing sweat and moisture, and has no allergic reaction to the skin.
Bezel Material: Stainless Steel. A stainless steel bezel is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. We use a deployment clasp for the watch allows the user to fold it into several positions or angles for unique use.
Watch Case: 316L. The raw material of this watch is the hardest 316L, which has excellent corrosion resistance, excellent wear resistance and good wear resistance.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone. It fits your watch dial perfectly.