|Grade||Genuine Richard Mille||3a swiss||swiss||automatic|
|Time Accuracy||-3/+5 sec per day COSC certified||-5/+6 sec per day COSC certified||-10/+10 sec per day COSC certified||-1/+2 min per day COSC certified|
|Stainless Steel Type||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||95% Exact on entire watch||90% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font||90% Exact detail and font|
|Waterproof||50m on standard models||Tested up to 300m||Tested up to 30m||Life waterproof|
|Life expectancy||Lifetime||Lifetime||3-5 years||1-2 years|
|Warranty||2 Years||Up to 5 Years||Up to 3 Years||Up to 1 Years|
|Band Width||Around 16mm|
Case Back: Transparent. The clear back cover cover transmits a high taste and good looking than solid back.
Crystal: Sapphire Crystal. A good sapphire mirror is conducive to viewing and can bring a brand new visual effect when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The design of the watch’s hands is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Dot. The dot dial mark will indicate the time for us.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. The luminous things makes your watch more delicate and high-end.
Bezel Material: Stainless Steel. A stainless steel bezel made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Clasp: Deployment. This watch case has a designed lock which is more durable and stylish.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.