|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss4130 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||Black Dial|
Luminiscence: Hands. The style of the watch’s luminiscence is hands. With this watch, you can know time anywhere and anytime.
Clasp: Deployment. We use a deployment clasp for the watch can be a very appealing option to many consumers. It can adjust size to fit your waist. This watch bracelet has been made to meet all kinds of needs. It is manufactured using high-quality materials, designed with the concept of visual impact, and perfectly matches today’s fashion trends.
Crystal: Sapphire Crystal. The hardness of the material of the watch 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 mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Watch Case: 316L. This watch case uses the best 316L, which not only directly protects the internal parts of the watch, but also determines the performance indicators of the watch to a large extent.
Hand: Silver-tone. For the watch, the hands is silver-tone. It blends perfectly with the dial.
Case Back: Solid. The case has a thick back and can be used for many years. There are many boxes made of various materials. These watch cases cannot prevent damage and are easily damaged. The backs of these watches are sturdy and can be used for many years.
Dial Markers: Arabic Numeral. According to a study, the human eye is sensitive to number, unlike the normal dial, the watch uses some clear numbers as dial markers to show us what time it is.
Band Material: Leather.A high-end watch with a leather strap the most popular strap for high-end watches.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is more simple and endurable. It makes you improve your temperament from the inside out.
Second Markers: Minute Markers around the outer rim. The design of the dial is a small round dial placed on the outside of the watch to indicate the time.