|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|
Band Material: Rubber.Rubber band is perfect for diving, due to its waterproof feature.
Watch Case: 316L. The raw material of this watch is the hardest 316L, so you can always live in peace with your skin without causing harm.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a high-quality optical material that is often used to make 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. Regarding this watch, hand design is silver-tone, which fits your watch’s dial well.
Dial Markers: Index. A watch is a timepiece that displays the time in an analog form, index dial markers help us check the time anytime, anywhere.
Clasp: Deployment. The innovative design of this watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But make sure to 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. The watch has many functions. The watch has a indicate date to measure time, a minute dial is used to estimate the current time, and a second dial is used to estimate the time after the interval.