|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|
|Luminous Markers||Patek Philippe Lumen||SuperLuminova Swiss Lumen||Swiss Lumen||Normal Lumen|
|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|
Case Back: Transparent. The transparent back cover can show you the engine inside clearly.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Hand: Silver-tone. The hands of the watch is silver-tone, which looks pretty stunning and high-end.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters, which is like a real watch. 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 is the most important device in our daily life. The watch has a indicate date to measure time, the minute dial is used to estimate the current time, and the stop dial is used to estimate the time after an interval.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is the minute mark around the outer rim.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. As you can see in the pictures above.
Crystal: Sapphire Crystal. The sapphire crystal mirror is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Dial Markers: Index. The watch uses some simple indexs as dial markers index dial markers help us check the time anytime, anywhere.
Band Material: 316L. The band is made of 316L stainless steel, which has excellent corrosion resistance. The band is also hypoallergenic and scratch-resistant. It can provide shock protection.
Watch Case: 316L. A good watch case can better protect your watch. 316L not only directly protects the internal parts of the watch, but also determines the performance indicators of the watch to a large extent.