|Grade||Genuine Richard Mille||3a swis||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|
|Dial Color||Hero Dial|
|Band Width||Around 16mm|
|Band Length||Around 18cm|
Case Back: Transparent. The transparent back cover commonly used by Patek Philippe is solemn, practical, and not flashy. It can consolidate its position without having to follow the trend.
Crystal: Sapphire Crystal. Watches made of sapphire crystal have good thermal properties, excellent electrical and dielectric properties, and are resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design 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 second mark is also called the hands of the clock. This design element is used in many well-known designs.
Dial Markers: Dot. The luxury dot of the watch dial markers uses dots as dial markers to indicate time.