|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||Champagne Dial|
Band Material: 316L. The raw material of this watch is the hardest 316L, which is suitable for daily seawater corrosion. 316L steel is completely sufficient.
Watch Case: 316L. The case is made of the hardest 316L material, which will never fade, deform, or abrade the skin, and is environmentally friendly.
Case Back: Solid. The hard solid bottom cover can transmit vibration better than the bottom cover of the plastic case.
Crystal: Sapphire Crystal. We use sapphire crystal for our watches. It is a lustrous and transparent crystal that is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The hands 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. According to a study, the human eye is sensitive to point, unlike the normal dial, the watch uses some simple indexs as dial markers to show us what time it is.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It helps you know the according time when in dark.
Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.