|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|
|Dial Color||White Dial|
Band Material: 316L. The band is made of 316L stainless steel, which has very good corrosion resistance and good texture.
Watch Case: 316L. A good case can better protect your watch. 316L is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a lustrous and transparent crystal that is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Index. The watch with index are used as a markers to indicate what time it is.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. With this watch, you will lose your time in dark.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is definitely 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.
Function: Date, Hour, Minute, Second. The function can be used to measure hours and seconds accordingly.