|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 Width||Around 16mm|
|Dial Color||Transparent Dial|
|Case Size||Around 50*40mm|
Case Back: Transparent. In the watch world, a transparent back cover is very common. It can transmit your taste better than the back of a solid case.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a lustrous and transparent crystal that is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. About the hand design of the watch is rose gold-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer circle is a design element that represents time. It is a small round dial placed on the outside of the watch to indicate the time.
Dial Markers: Roman Numeral. The watch with Roman numeral are used as a markers to indicate what time it is.