|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss 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|
Band Material: 316L. The raw material of this watch is the hardest 316L stainless steel, which has the flexibility to form and maintain precise shapes. This makes it durable and can withstand extreme temperatures.
Watch Case: 316L. The case is made of sturdy 316L, suitable for daily seawater corrosion, and 316L steel is sufficient.
Case Back: Solid. The sturdy bottom cover is not soft or flexible in any way. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a natural material that can reflect light to create an illusion. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged. Tips: The watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The hand design of the watch is gold-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above. It is also called a clock hand. This design element has been used in many well-known designs, such as watches.
Dial Markers: Index. The watch uses a index as a dial marker index dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. It makes your watch look more high-end.
Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel is a high-end material made from stainless steel bezel. It is the most expensive material of the watch. In addition, stainless steel bezel is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Clasp: Fold Over Clasp. We use a fold over clasp for the watch which is more durable and stylish.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters. But please make sure you close the crown properly. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss