|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||Green Dial|
Watch Case: 316L. The material in this case comes from 316L stainless steel, which has very good corrosion resistance and good texture.
Case Back: Transparent. The transparent back cover is the most common part of the watch. It is simple, durable and easy to see engine inside.
Crystal: Sapphire Crystal. The sapphire crystal has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second mark on the minute mark around the outer edge of the dial.
Dial Markers: Index. The watch with index unlike the normal dial, the watch uses some simple indexs as dial markers to show us what time it is.
Luminiscence: Hands. For the watch, the luminiscence is hands. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Deployment. This watch case has a designed lock which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which is fully 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 watch has many functions, including the second hand, minute hand, and hour hand.