|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 15mm|
Case Back: Transparent. We use a transparent back cover, which allows you to use and keep the watch for a long time.
Crystal: Sapphire Crystal. The watch uses a sapphire crystal glass table mirror, the vision is clear and bright when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. Regarding this watch, hand design is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the dial can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Dot. The dot on the dial unlike a regular dial, the watch uses a few simple dots to mark the dial to indicate the current time.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. It can help you know the corresponding time in the dark.
Clasp: Deployment. The innovative design of this watch which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, 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.