|Grade||Genuine Patek Philippe||3a swis||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|
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. As you can see in the pictures above.
Watch Case: 316L. The case is made of 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Function: Date, Hour, Minute, Second. The watch is the most important device in our daily life, and it plays an important role in our life like any other electronic product. The functions of the watch are chronograph, hour, minute and second.
Hand: Silver-tone. The watch’s hands is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the clock hand. This design element has been used in many well-known designs such as watches, clocks and other objects.
Bezel Material: Stainless Steel. The stainless steel bezel is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Dial Markers: Luminous Index. Watches with luminous sticks can see the time clearly at night even in the absence of light.
Band Material: Leather.A lasting leather band is used in this watch, which ‘s excellent performance determines its current status in the watch circle.
Clasp: Deployment. The clasp design of the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Case Back: Transparent. The case uses a transparent cover cover, which makes the watch more durable and can withstand harsh outdoor environments such as rain, snow, cold or hot weather.