|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 Size||Around 49x55mm|
|Band Width||Around 16mm|
Band Material: Rubber.Rubber band is perfect for diving, due to its waterproof feature.
Crystal: Sapphire Crystal. A good sapphire mirror can feel a clear and bright field of vision when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone. It blends perfectly with the dial.
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 well-known designs.
Dial Markers: Dot. The luxury dot of the watch dial markers show us what time it is, differ from ordinary dial.
Luminiscence: Hands. About the watch, the luminiscence is hands. It can help you know the corresponding time when you running in dark.
Clasp: Deployment. The innovative design of this watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it 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.