|Grade||Genuine Richard Mille||3a swiss||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|
|Band Length||Around 18cm|
|Case Size||Around 50*40mm|
|Case Thickness||Around 16mm|
Case Back: Transparent. The transparent back cover is a great way to add style and elegance to your wrist. High-end clear back watches are becoming more and more popular.
Crystal: Sapphire Crystal. Sapphire crystal has extremely high hardness, with Mohs hardness as high as 9, second only to diamond, and almost 3 times the hardness of mineral glass and 20 times that of acrylic mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark of the dial design is a small disc, placed on the outside of the clock to indicate the time.
Dial Markers: Roman Numeral. The Roman numeral in a watch are used as dial markers instead of usual index to indicate the time.