|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 Back: Transparent. xxxxx usually uses a transparent back, which is not soft or flexible at all. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. The sapphire crystal mirror is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the clock hand, and this design element has been used in many well-known designs.
Dial Markers: Dot. The dot in a watch are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. With this watch, you will not lose your time in dark.
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. Deployment clasps are used in the watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. As for the waterproof 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.