|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|
|Dial Color||White Dial|
Band Material: Leather.As you can see, many leather bands are used in xxx watches, which have a wide range of adaptations, ranging from xxx and xxx to Casio.
Watch Case: 316L. The case is made of the best 316L stainless steel, which has very good corrosion resistance and good texture.
Crystal: Sapphire Crystal. The material of the watch has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The watch is applied with mineral glass instead of sapphire.
Dial Markers: Roman Numeral. The watch has an Roman numeral as a dial mark to tell us what time it is, which is different from a normal dial.
Bezel Material: Stainless Steel. The watch bezel is the most expensive component of the watch. It is is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Deployment. Deployment clasps are used in the watch which is more durable and stylish.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters that’s enough for no worries. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.