|Grade||Genuine Richard Mille||3a swis||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 Size||Around 50*42mm|
|Case Thickness||Around 16mm|
|Dial Color||Mars Earth Dial|
|Band Width||Around 16mm|
Case Back: Transparent. We use a transparent back cover, which is usually used to protect the movement of the watch from direct damage. These watch cases can also increase the durability and strength of the watch movement.
Crystal: Sapphire Crystal. Sapphire crystal is a lustrous, transparent crystal and is often used in high-precision optical instruments. 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. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the hand of the clock. This design element is used in many famous designs such as clocks and other objects.
Dial Markers: Dot. The dot in a watch are used as a markers to indicate what time it is.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. With this watch, you can know time anywhere and anytime.
Clasp: Deployment. Our this watch uses a deployment clasp which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters, which is definitely enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.