|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|
Band Material: 316L. The situation is that daily seawater corrodes 316L, which is sufficient for this kind of steel.
Watch Case: 316L. The material of this case comes from 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: Solid. The sturdy case back can make the watch more durable, and they can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Mineral Glass. As an excellent watch, we use a very ordinary glass to protect your watch from scratches.
Hand: Silver-tone. About the hand design of the watch is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the clock hand. This design element has been used in many famous designs such as watches, clocks and other objects.
Dial Markers: Index. The index dial mark tells us what time it is, which is different from a normal dial.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Diamond Bezel. The watch uses a high-end diamond bezel, which is one of the most beautiful and delicate parts in the watch. The diamond bezel provides a durable, elegant and expensive look to the watch. Tips: not real diamond.
Clasp: Fold Over Clasp. Our this watch uses a folding buckle strap, to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which has a good waterproof function. 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. Its function of the watch is to measure time and seconds.