|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. This case uses the best 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Case Back: Transparent. The transparent back cover allows you to use it longer and keep the watch longer.
Crystal: Sapphire Crystal. The sapphire crystal is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The second mark on the minute mark around the outer edge of the dial.
Dial Markers: Arabic Numeral. The watch with arabic numeral to determine time by looking at the arabic numeral, which is different from normal dial.
Luminiscence: Hands. About the watch, the luminiscence is hands. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which is an endurable material that can be used for dials and watch faces. It’s extremely resistant and flexible. Learn to design a gorgeous hand-made stainless steel bezel and how one can use it to create a luxury watch.
Clasp: Deployment. This watch use a deployment clasp which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is like a real watch. 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. A watch is a very important device in everyone’s life and can be used to measure hours and seconds accordingly.