|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 14mm|
|Band Width||Around 16mm|
Case Back: Transparent. The case uses a thickened clear back, which is solemn and practical, not flashy, not drifting with the tide, and a stable position.
Crystal: Sapphire Crystal. The material of the watch is a very common glass, which can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone, which is the same color as your case color. It fits the watch well.
Dial Markers: Dot. The watch uses a dot as a dial marker are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. It makes your watch look more high-end.
Bezel Material: Ceramics Bezel. The ceramic bezel is the prime material used for watch making. It has 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 ceramic materials can withstand extreme temperatures.
Clasp: Deployment. Our watch uses a deployment clasp, 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 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.