|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|
|Band Width||Around 16mm|
|Case Size||Around 50*40mm|
|Dial Color||Black Dial|
Band Material: Rubber.As you can see, many rubber bands are used in xxx watches, which has a good waterproof feature and easy to maintain.
Crystal: Sapphire Crystal. For watches, crystal is a very important part, a very common glass, which can protect your watch from scratches. Tips: The 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 minute markers on the dial around the outer rim is shown in the picture above.
Dial Markers: Arabic Numeral. According to a study, the human eye is sensitive to number, to determine time by looking at the arabic numeral, which is different from normal dial.