|Grade||Genuine Richard Mille||3a swis||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|
|Band Length||Around 18cm|
Case Back: Transparent. Patek Philippe generally uses a transparent back, and the screw-in design ensures tight waterproof performance. The transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire crystals 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. The watch’s hands 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 is one of the most recognized design elements in all industries. The second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Dot. The watch uses a dot as a dial marker unlike the normal dial, the watch uses some simple dots as dial markers to show us what time it is.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. It makes your watch look more high-end.
Bezel Material: Stainless Steel. The stainless steel bezel is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.
Clasp: Deployment. Deployment clasps are used here allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.