|Grade||Genuine Hublot||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||90% Exact on entire watch|
|Dial||Genuine Hublot||Exact detail and font||90% exact detail and font|
|Waterproof||100m 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|
Watch Case: 316L. The raw material of this watch case is 316L stainless steel, which has excellent corrosion resistance. It is hypoallergenic and scratch resistant.
Case Back: Transparent. We use a transparent back cover, solemn, practical, not flashy, can stabilize the position and not follow the trend.
Crystal: Sapphire Crystal. Watches made of sapphire crystal are a high-quality optical material, often used in the construction 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. For the watch, the hands is silver-tone which is pretty cool and fashionable.
Clasp: Deployment. The clasp of the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters, which is fully enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.