|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 50*42mm|
Case Back: Solid. We use a sturdy bottom cover, which is not soft or flexible in any way. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. As an excellent watch, we have applied a very good viewability and brought a brand new visual effect to people watching the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. Regarding this watch, hand design is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries and can be used in various applications such as clocks and radios with clocks to create timeless creations.
Dial Markers: Dot. dots were used in this watch instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. It can help you know the corresponding time in the dark.
Clasp: Deployment. The clasp of the watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is definitely enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.