|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||Transparent Dial|
|Case Size||Around 50*45mm|
|Band Width||Around 16mm|
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. As a good watch, we use a very high hardness, the Mohs hardness is as high as 9, second only to diamond, its hardness is almost 3 times that of mineral glass, 20 times that of acrylic mirror. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element that represents time and is located on the outside of the clock to indicate the time.
Dial Markers: Dot. The watch uses some simple dots as dial markers to indicate what time it is.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It helps you know the according time when in dark.
Clasp: Deployment. The clasp of the watch is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is like a real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.