|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|
Hand: Silver-tone. The hands of the watch is silver-tone, which fits your watch’s dial well.
Clasp: Deployment. We use a deployment clasp for the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Dial Markers: Arabic Numeral. These arabic numerals in the watch is used as a marker instead of dots and can affect the appearance of the dial.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is definitely enough for your daily life. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element that represents time and can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Bezel Material: Stainless Steel. The stainless steel bezel is more simple and endurable. It makes you improve your temperament from the inside out.
Crystal: Sapphire Crystal. The hardness of sapphire crystal 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 watch is applied with mineral glass instead of sapphire.
Watch Case: 316L. The case is made of 316L stainless steel, the hardest material, which is a highly durable and corrosion-resistant material.
Case Back: Solid. The sturdy back cover can transmit vibrations better than the back of the plastic case.
Luminiscence: Hands. About the watch, the luminiscence is hands. Something that shines allows you to find time in the dark.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss