|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|
|Band Length||Around 18cm|
|Case Thickness||Around 15mm|
|Band Width||Around 16mm|
Case Back: Transparent. The hard transparent back cover can better transmit your high taste for watch than solid back.
Crystal: Sapphire Crystal. Sapphire crystal watches are sapphires, high-end, and good reputation. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the watch hand, this design element has been used in many famous designs.
Dial Markers: Dot. These dots in the watch uses dots as dial markers to indicate time.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. As you can see in the pictures above.
Bezel Material: Diamond Bezel. The diamond bezel is more noble and elegant. It makes you improve your taste from the inside out. Tips: not real diamond.
Clasp: Deployment. The clasp of the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.