|Grade||Genuine Richard Mille||3a swiss||swiss||automatic|
|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||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||95% Exact on entire watch||90% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font||90% Exact detail and font|
|Waterproof||50m 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||Transparent Dial|
|Case Size||Around 50*40mm|
|Band Width||Around 16mm|
Case Back: Transparent. The hard transparent back cover is not soft or inflexible in any way. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. A good sapphire mirror is that sapphire has higher impact resistance, air tightness and hardness than other materials, and the processing cost is also high, so it is mostly used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. As for the watch’s hands, it is rose gold-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is called the hand of the clock. This design element is used in many famous designs such as clocks, clocks and other objects.
Dial Markers: Arabic Numeral. According to a study, the human eye is sensitive to number, unlike the ordinary dial, the watch uses some clear numbers as dial markings to show us what time it is.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Deployment. Deployment clasps are used in the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. The watch has a functional timer, which has many functions for various purposes, including mesuring time, indicate dates, timer functions, and so on.