|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|
|Case Color||Yellow Gold-Tone|
Band Material: 316L. The band is the most important part of the watch. 316L stainless steel is a highly durable and corrosion-resistant material.
Watch Case: 316L. The case is the most important part of the watch. 316L is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Case Back: Solid. The case uses a thickened solid back, which is solemn and practical, not flashy, not drifting with the tide, and a stable position.
Crystal: Sapphire Crystal. The crystal design is a kind of lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. About the watch, the hands is gold-tone, which is the perfect color to fit the watch.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element that represents time. As shown in the picture above, the minute mark around the outer edge.
Dial Markers: Index. We can use indexed watches instead of Roman numerals to display the time.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. These luminiscence makes your watch more refined and high-end.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch which allows the user to fold it over in multiple positions or angles for unique and unique use.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 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.