|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||Super Luminova 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|
Watch Case: 316L. The watch case adopts the best 316L, which not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Case Back: Transparent. The transparent back cover is usually used to protect the watch movement from direct damage. These watch cases can also increase the durability and strength of the watch movement.
Crystal: Sapphire Crystal. Watches made of sapphire crystal are a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above. It is also called the hand of a clock. This design element is used in many famous designs, such as clocks and other objects.
Dial Markers: Arabic Numeral. The arabic numeral in a watch unlike the normal dial, the watch uses some clear numbers as dial markers to show us what time it is.
Luminiscence: Hands. Regarding this watch, luminescence is hands. It helps you know the according time when in dark.
Bezel Material: Stainless Steel. The stainless steel bezel 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.
Clasp: Deployment. We use a deployment clasp for the watch is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But please make sure you close the crown properly. 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 has a time measurement function, the minute hand is used to estimate the current time, and the stop is used to estimate the time based on the interval.