|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 Thickness||Around 15mm|
|Band Length||Around 18cm|
|Case Size||Around 50*42mm|
Band Material: Rubber.As you can see, many rubber bands are used in watches, which is really nice for the hot and wet summer days.
Case Back: Solid. The case uses a thick solid back, which is neither soft nor flexible. Made of steel, it has excellent durability and scratch resistance.
Crystal: Sapphire Crystal. As a good watch, we can feel a clear and bright vision when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above, which can be used for many purposes, such as clocks, radios with clocks, etc.to create timeless works.
Dial Markers: Dot. The dot in a watch can unlike a normal dial, you can see the time by looking at the dot.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. It makes your watch look more high-end.
Clasp: Deployment. This watch case has a designed lock to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.