|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 48*40mm|
|Band Width||Around 16mm|
|Case Color||Rose Gold-tone|
Case Back: Transparent. The case uses a transparent cover, which is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Crystal: Sapphire Crystal. Sapphire crystal is a lustrous and transparent crystal, often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. About the watch, the hands is rose gold-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The design of the other marks in the watch is that the second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Dot. We can use watches with dots. Unlike ordinary dials, watches use some simple dots as dial markers to show us the current time.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. It makes your watch look more funny and functional.
Clasp: Deployment. The clasp design of the watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which is similar as real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.