|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss Clone 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/Mingzhu Engine|
Watch Case: 316L. The material in this case comes from 316L steel, which 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 case uses a thick solid case back, which can transmit vibration better than the plastic case back.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a high-end, well-reputed sapphire. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. The style of the watch’s hands is rose gold-tone. It fits your watch dial perfectly.
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: Luminous Index. According to a study, human eyes are very sensitive to light at night and the sticks of the watch will light up when you leave the light.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It makes your watch look more high-end.
Bezel Material: Ceramics Bezel. The watch uses a high-end ceramic bezel, which is one of the most beautiful and delicate parts in the watch. The ceramic bezel provides a durable, elegant and expensive look to the watch.
Clasp: Deployment. The clasp of the watch is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters that is enough for no worries. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.