|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|
|Band Length||Around 18cm|
|Band Width||Around 16mm|
Case Back: Transparent. The hard transparent back cover can be used for many years. The backs of these watches are clear to see and can be used for many years.
Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. As shown in the picture above, the second mark on the watch is the minute mark around the outer edge.
Dial Markers: Dot. dot dial markers use dots as dial markers to indicate the time.
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. This watch use a deployment clasp allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters, full 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.