|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 15mm|
Case Back: Transparent. The transparent back cover can show you the engine inside clearly.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because you can feel a clear and bright field of vision when you look at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass is one of the most recognized design elements in all industries. The second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Dot. With a dot instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. The luminous things makes you find the time in dark.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Clasp: Deployment. The combination of a watch case and a bracelet watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters, which is similar as real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.