|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 Skull Dial|
|Band Width||Around 16mm|
|Band Length||Around 18cm|
Case Back: Transparent. xxxxx usually uses a transparent back, which transmits a high taste and good looking than solid back.
Crystal: Sapphire Crystal. A good sapphire mirror is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of the dial is also known as the hands of the clock. This design element is used in many well-known designs.
Dial Markers: Dot. These dots in the watch are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. The luminous things makes you find the time in dark.
Clasp: Deployment. Our watch uses a deployment clasp to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The watch’s waterproof depth 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.