|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|
|Dial Color||Steel Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Watch Case: 316L. The case of the watch is 316L, which not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Case Back: Solid. The sturdy bottom cover screw-in design ensures tight waterproof performance, and the sturdy bottom cover has superior waterproof performance and durability.
Crystal: Sapphire Crystal. The design of crystal is a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The dial design can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Dial Markers: Index. The watch uses a index as a dial marker uses indexs as dial markers to indicate time.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It makes your watch look more high-end.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.
Clasp: Fold Over Clasp. This watch case has a designed lock which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters, full enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.