|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|
|Band Width||Around 16mm|
Case Back: Transparent. The transparent back cover is not soft or flexible in any way. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its luster. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The design of the dial is also called the hands of the clock. This design element is used in many well-known designs, such as clocks and other objects.
Dial Markers: Roman Numeral. The watch uses some clear numbers as dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It can help you know the corresponding time in the dark.
Clasp: Deployment. This watch use a deployment clasp which is more durable and stylish.
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, 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.