|Grade||Genuine Hublot||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||90% Exact on entire watch||70% Exact on entire watch|
|Dial||Genuine Hublot||Exact detail and font||90% exact detail and font||70% Exact detail and font|
|Waterproof||100m 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|
Watch Case: 316L. The case is 316L stainless steel, making it durable, reliable and durable.
Case Back: Solid. The screw-in design of the hard solid bottom cover ensures tight waterproof performance. The solid bottom cover has superior waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire crystal is a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Luminiscence: Hands. The design of the watch’s luminiscence is hands. It can help you know the corresponding time in the dark.
Clasp: Deployment. The clasp of the watch which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. A watch is a very important device in everyone’s life, and it plays an important role in our lives like any other electronic product. The functions of the watch are chronograph, hour, minute and second.