|Grade||Genuine Richard Mille||3a swis||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 Size||Around 50*45mm|
|Band Width||Around 16mm|
Case Back: Transparent. The transparent back cover, solemn, practical, and not flashy, can consolidate one’s position and not follow the trend.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is conducive to viewing and can bring people a brand new visual effect when looking at the time. 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 that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the hand of the clock. This design element is used in many famous designs.
Dial Markers: Dot. We can use an dotted watch as a marker instead of Roman numerals to indicate the time.
Luminiscence: Hands. As you can see in the pictures above, the luminescence of the watch is hands. With this watch, you will not waste time to check the real-time.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which 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 design of the watch which is more durable and stylish.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.