|Grade||Genuine Richard Mille||3a swis||swiss|
|Time Accuracy||-3/+5 sec per day COSC certified||-5/+6 sec per day COSC certified||-10/+10 sec per day COSC certified|
|Stainless Steel Type||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal||Sapphire crystal|
|Logo & Markings||laser etchings||Exact on entire watch||95% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font|
|Waterproof||50m on standard models||Tested up to 300m||Tested up to 30m|
|Life expectancy||Lifetime||Lifetime||3-5 years|
|Warranty||2 Years||Up to 5 Years||Up to 3 Years|
Case Back: Transparent. In the world of watches, a transparent back cover is very common to make the watch more durable.
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. The watch’s hands is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The second mark on the watch can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Dot. The watch uses some simple dots as dial markers to indicate what time it is.