|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|
|Dial Color||White Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Clasp: Fold Over Clasp. This watch case has a designed lock which is more durable and stylish.
Case Back: Solid. The case uses a thick back cover, which makes the watch more durable and can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers.Something that shines allows you to find time in the dark.
Crystal: Sapphire Crystal. Sapphire crystal is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Band Material: 316L. The watch band is made of 316L stainless steel, which is a medium-to-high-end shell material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also nice.
Dial Markers: Index. The watch with index instead of Roman numerals to show us the time.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone. It fits your watch dial perfectly.
Watch Case: 316L. Our case is made of 316L. For daily seawater corrosion, 316L steel is completely sufficient.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.