|Grade||Genuine Richard Mille||3a swis||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 12mm|
|Band Length||Around 18cm|
Case Back: Transparent. The screw-in design of the hard transparent back cover ensures tight waterproof performance. Also, the transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire glass has high-quality glass, you can clearly see the dial. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Dot. The luxury dot of the watch dial markers is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. The luminous things makes you find the time in dark.
Clasp: Deployment. Deployment clasps are used in the watch which is more durable and stylish.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.