|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|
|Dial Color||Transparent Dial|
|Case Thickness||Around 15mm|
|Band Length||Around 18cm|
Case Back: Transparent. The transparent back cover is the most common part of the watch. It is simple, durable and easy to see engine inside.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is high-quality glass and the dial is clearly visible. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the hand of the clock. This design element is used in many famous designs.
Dial Markers: Arabic Numeral. Arabic numerals were used in this watch unlike a regular dial, the watch uses a few simple arabic numerals to mark the dial to indicate the current time.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that 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. Deployment clasps are used here to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, 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.
Function: Date, Hour, Minute, Second. Watches are the most important equipment in our daily lives and can be used to measure hours and seconds accordingly.