|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|
Case Back: Transparent. xxxxx commonly use transparent covers, which can allow you to use longer and keep the watch longer.
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. For the watch, we apply with hands of silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries. It is also called the hand of a clock. This design element is used in many famous designs such as clocks and other objects.
Dial Markers: Dot. The luxury dot of the watch dial markers are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It makes your watch look more funny and functional.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Deployment. This watch use a deployment clasp which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.