|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||Transparent Dial|
|Case Thickness||Around 15mm|
Case Back: Transparent. The transparent back cover is neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. We use sapphire crystal in our watches. Sapphire has higher impact resistance, air tightness and hardness than other materials, and the processing cost is also high, so most of it is used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called a clock hand. This design element has been used in many famous designs such as watches and other items.
Dial Markers: Dot. The dot on the dial uses some simple dot marks to display the time, making the dial more simple and stylish.
Luminiscence: Hands. The luminiscence of the watch is hands. It can help you know the corresponding time when you running in dark.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that 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 fused look and enhances the usability of the timepiece.
Clasp: Deployment. This watch case has a designed clasp 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 has a good waterproof function. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.