|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|
Dial Markers: Luminous Index. The bright luminous sticks marked on the dial will light up when you leave the light.
Bezel Material: Ceramics Bezel. A ceramic bezel is one of the most beautiful and delicate parts in the watch. The ceramic bezel provides a durable, elegant and expensive look to the watch.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch, also known as the hand, this design element has been used in many well-known designs.
Clasp: Fold Over Clasp. This watch case has a designed clasp which is more durable and stylish.
Band Material: 316L. The material in this band comes from 316L, which 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.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. It helps you know the according time when in dark.
Hand: Silver-tone. Regarding this watch, hand design is silver-tone. It fits your watch dial perfectly.
Watch Case: 316L. Our case is made of 316L, so you can always live in peace with your skin without causing harm.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is definitely enough for your daily life. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Case Back: Solid. We use a strong bottom cover, solemn, practical, not flashy, can stabilize the position and not follow the trend.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss