|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|Movement||Rolex Calibre 3230||Genuine Swiss Clone 3230 movement||Swiss 2836 Movement||Asian 2813 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 Thickness||Around 12mm|
|Engine||Rolex Calibre 2671/Mingzhu Engine|
Rolex Oyster Perpetual 177200 Ladies 31mm Silver-tone Stainless Steel
Band Material: 316L. The band is made of solid 316L stainless steel, which is a mid-to-high-end band material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Case Back: Solid. The sturdy back cover can transmit vibrations better than the back of the plastic case.
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.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has 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.
Hand: Silver-tone. About the hand design of the watch is silver-tone. It fits your watch dial perfectly.
Crystal: Sapphire Crystal. The watch uses a sapphire crystal glass table mirror, the vision is clear and bright when looking at the time. Tips: The A Replica is applied with mineral glass instead of sapphire.
Clasp: Fold Over Clasp. A fold over clasp are used here which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
A Replica, AAA Replica, AAAAA Clone