|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|
Band Material: Leather.The watch often apply with a leather strap is comfortable and soft, and not easy to cause allergies.
Watch Case: 316L. A good case can better protect your watch. 316L is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Case Back: Solid. The case has a thick back cover, which is often used to protect the movement of the watch from scratches and external damage. These watch cases can also increase the durability and strength of the watch movement.
Crystal: Sapphire Crystal. For watches, crystal is a very important component, sapphire is high-end, and has a good reputation. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. As for the watch’s hands, it is gold-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass is one of the most recognized design elements in all industries, also known as clock hands. This design element has been used in many well-known designs.
Dial Markers: Diamonds. The watch uses diamonds as dial markers and diamonds as dial markers to indicate the time.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more fused look and enhances the usability of the timepiece.
Clasp: Deployment. This watch case has a designed lock which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.