|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 Thickness||Around 15mm|
|Band Width||Around 16mm|
Band Material: Rubber.The watch apply with a rubber strap simply put the durability and simplicity to the extreme.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. Sapphire’s impact resistance, air tightness and hardness are higher than other materials, and the processing cost is higher, so it is mostly used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The design of the second marker is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Dot. The dot in a watch can to determine time by looking at the dot, which is different from normal dial.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It helps you know the according time when in dark.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. Deployment clasps are used here allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is like a real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.