|Grade||Genuine Richard Mille||3a swiss||swiss|
|Time Accuracy||-3/+5 sec per day COSC certified||-5/+6 sec per day COSC certified||-10/+10 sec per day COSC certified|
|Stainless Steel Type||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal||Sapphire crystal|
|Logo & Markings||laser etchings||Exact on entire watch||95% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font|
|Waterproof||50m on standard models||Tested up to 300m||Tested up to 30m|
|Life expectancy||Lifetime||Lifetime||3-5 years|
|Warranty||2 Years||Up to 5 Years||Up to 3 Years|
|Band Length||Around 18cm|
|Case Size||Around 50*40mm|
|Dial Color||Transparent Dial|
Case Back: Transparent. We use a transparent back cover, which can make the watch more durable, they can withstand harsh outdoor environments, such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. Sapphire glass has high-quality optical materials and is often used in the manufacture of watches. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. 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 blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second marker is designed as shown in the picture above, with minute markers around the outer edge.
Dial Markers: Roman Numeral. The Roman numeral in a watch to determine time by looking at the Roman numeral, which is different from normal dial.