|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|
|Band Width||Around 16mm|
Band Material: Rubber.A rubber band is used for the watch, which has excellent properties in preventing sweat and moisture, and has no allergic reaction to the skin.
Crystal: Sapphire Crystal. Sapphire glass has high-quality optical materials and is often used in the manufacture of watches. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The second mark on the watch The second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Dot. dot dial markers dot dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. It can help you know the corresponding time when you running in dark.
Bezel Material: Diamond Bezel. Bezel material is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more luxurious look and enhances the usability of the timepiece. Tips: not real diamond.
Clasp: Deployment. This watch case has a designed clasp which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it 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.