|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 Thickness||Around 12.45mm|
|Band Width||Around 16mm|
Case Back: Transparent. The case uses a transparent cover, which allows you to use it longer and keep the watch for a long time.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is the only high-quality anti-reflective material that provides scratch resistance without affecting its luster. Using this new technology, you can protect the surface of your watch at the most important moments in your life. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Dial Markers: Diamonds. Diamonds are different from ordinary dials. The watch uses some simple diamond-marked dials to indicate the current time.
Clasp: Deployment. This watch use a deployment clasp which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which is like a real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.