|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|
Case Back: Transparent. The case has a transparent cover cover, which can easily show people your high taste and knowledge for watch.
Crystal: Sapphire Crystal. We use sapphire crystal on the watch, it can block moisture and dust, protect the hand, dial and movement. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The design of other marks in watches, also known as clock hands, has been used in many well-known designs such as watches and other objects.
Dial Markers: Dot. We can use an dotted watch and use some simple dot marks to display the time, making the dial more concise and stylish.