|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|
Case Back: Transparent. We use a transparent back and screw-in design to ensure tight waterproof performance. The transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above. It is also called a clock hand. This design element has been used in many well-known designs, such as watches.
Dial Markers: Dot. The watch has dots as dial marks instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Diamond Bezel. A diamond bezel made of diamond material. It needs to be durable and can resist abrasion. The design of diamond material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction. Tips: not real diamond.
Clasp: Deployment. The innovative design of this watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, full 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.