|Grade||Genuine Patek Philippe||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 Patek Philippe||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: Leather.Leather band is comfortable and soft, and not easy to cause allergies.
Watch Case: 316L. The case is made of the hardest 316L material, which is popular with all major material masters and has become the mainstream material of high-end fashion jewelry in Europe and America.
Case Back: Transparent. We use a transparent back cover, which is not soft or flexible in any way. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. The material of the watch is to feel a clear and bright field of vision when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Dial Markers: Roman Numeral. Roman numeral dial marks use some simple number marks to indicateisplay the time, making the dial more simple and stylish.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Deployment. This watch use a deployment clasp allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it 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.