|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|
|Band Width||Around 16mm|
Case Back: Transparent. The case uses a transparent cover, which is neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. The crystal design is high-quality glass, and the dial can be clearly seen. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. As for the watch’s hands, it is rose gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the clock hand. This design element has been used in many famous designs such as watches and other items.
Dial Markers: Dot. The dot in a watch can uses dots as dial markers to indicate time.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. It can help you know the corresponding time when you running in dark.
Bezel Material: Diamond Bezel. The diamond material is one of the best materials for watches. It has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from diamond materials can withstand extreme temperatures. Tips: not real diamond.
Clasp: Deployment. Deployment clasps are used here to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters, which is similar as real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.