|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|
|Dial Color||Black Dial|
|Band Length||Around 18cm|
|Case Thickness||Around 15mm|
Band Material: Rubber.A rubber band is used for the watch, which is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Case Back: Solid. The hard solid bottom cover is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Crystal: Sapphire Crystal. The sapphire crystal mirror with very ordinary glass can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. For the watch, we apply with hands of rose gold-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is located on the outside of the clock and is used to indicate the time.
Dial Markers: Dot. The watch uses a dot as a dial marker to indicate what time it is.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. The luminous things makes you find the time in dark.
Clasp: Deployment. The innovative design of this watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
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, 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.