|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|
|Case Color||Rose Gold-tone|
|Band Width||Around 16mm|
|Dial Color||Transparent Dial|
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. For watches, crystal is a very important part. A special anti-reflective coating can minimize light reflection and provide scratch resistance without affecting its luster. 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 makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The design of other marks in watches, also known as clock hands, this design element has been used in many well-known designs.
Dial Markers: Diamonds. According to a study, the human eye is very sensitive to points, and diamonds in watches are used as markers instead of Roman numerals to indicate the time.
Luminiscence: Hands. The luminosity of the watch is hands. The luminous things makes your watch more delicate and high-end.
Bezel Material: Diamond Bezel. The watch bezel is the most expensive component of the watch. 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. Tips: not real diamond.
Clasp: Deployment. This watch case has a designed lock is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, full 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.