|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 9001||Genuine Swiss 9001 movement||Swiss 2836 Movement||Asian Mingzhu Engine|
|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||Black Dial|
Function: Date, Hour, Minute, Second. It has many functions for various purposes, such as mesuring time and timer functions.
Bezel Material: Stainless Steel. The watch bezel is the most expensive component of the watch. It is is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. With this watch, you will not lose your time in dark.
Crystal: Sapphire Crystal. For a watch, crystal is a very important part, with a very high hardness, with Mohs hardness as high as 9, second only to diamonds. Its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Watch Case: 316L. The case uses 316L, you can always live in peace with your skin without causing harm.
Band Material: 316L. The band is made of the hardest 316L material, which will never fade, deform, or abrade the skin, and is environmentally friendly.
Dial Markers: Luminous Index. The watch has luminous sticks, which will light up when there is no light.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is definitely 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.
Hands: Gold-tone. About the watch, the hands is gold-tone, which fits your watch’s dial well.
Clasp: Fold Over Clasp. This watch case has a designed lock which makes it more convenient for you to wear the watch, and the appearance is more beautiful.