|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 Size||Around 50*44.5mm|
|Band Width||Around 16mm|
|Dial Color||Transparent Dial|
|Case Thickness||Around 15mm|
Band Material: Rubber.Rubber band is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Crystal: Sapphire Crystal. The crystal design can cut off moisture and dust, protect the hands, dial and movement. Tips: The A watch is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The second hand of the watch is designed as shown in the picture above, with minute markers on the outer edge, as shown in the picture above.
Dial Markers: Dot. The watch uses some simple dots as dial markers unlike the normal dial, the watch uses some simple dots as dial markers to show us what time it is.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers.Something that shines allows you to find time in the dark.
Clasp: Deployment. This is a great way to protect and store your watch, which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is fully 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.