|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||Blue Dial|
Dial Markers: Index. We can use an indexed watch as a marker instead of Roman numerals to indicate the time.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Function: Date, Hour, Minute, Second. The watch comes with a functional timer, the watch is equipped with a indicate date, which can measure time, the minute dial can estimate the current time, and the second dial can estimate the time after the interval.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. The luminous things makes you find the time in dark.
Hand: Rose Gold-tone. Regarding this watch, hand design is rose gold-tone, which can highly improve the outlook of the watch.
Band Material: 316L. The band is made of the hardest material 316L, which is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
Crystal: Sapphire Crystal. Watches made of sapphire crystal have higher impact resistance, air-tightness and hardness than other materials and higher processing costs, so they are mostly used in top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it 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.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the watch hand, this design element has been used in many famous designs.