|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|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
|Dial Color||Steel Dial|
Band Material: Rubber.The rubber material ‘s excellent performance determines the current status of rubber straps in the watch circle.
Watch Case: 316L. A good case can better protect your watch. 316L steel is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Case Back: Solid. The hard solid bottom cover is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Crystal: Sapphire Crystal. For a watch, crystal is a very important part, with a very high hardness, with Mohs hardness as high as 9, second only to diamonds. 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.
Hand: Silver-tone. Regarding this watch, hand design is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries, and the second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Index. An index dial mark indicating the time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. A stainless steel bezel 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. We use a fold over clasp for the watch can be a very appealing option to many consumers. Of course, one must keep in mind that the product should be durable and hold up for a long time. This watch bracelet has been made to meet all those needs. It is manufactured using high-quality materials, designed with the concept of visual impact, and perfectly matches today’s fashion trends.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.