|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||Black Dial|
Band Material: Rubber.We use a rubber strap is really nice for the hot and wet summer days.
Crystal: Sapphire Crystal. Sapphire glass has sapphire, which is high-end and has a good reputation. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch is silver-tone, which fits your watch’s dial well.
Dial Markers: Dot. The watch uses a dot as a dial marker unlike the ordinary dial, the watch uses some simple dots as dial markings to show us what time it is.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.
Clasp: Deployment. The clasp of the watch which is more durable and stylish.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is definitely 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.