|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|
|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 raw material for this band is 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Watch Case: 316L. The raw material of this watch is the hardest 316L, so you can always live in peace with your skin without causing harm.
Case Back: Transparent. The transparent back cover can make the watch more durable, and they can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. For watches, crystal is a very important part, high-quality glass and clear dial. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch, also known as the hand, this design element has been used in many well-known designs.
Dial Markers: Index. The index on the dial show us what time it is, differ from ordinary dial.
Bezel Material: Stainless Steel. The bezel, made of stainless steel bezel, is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.
Clasp: Fold Over Clasp. This watch case has a designed clasp which is more durable and stylish.
Water Resistance: 30 meters. We make the watch waterproof at 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. Re-engraved watch function, the re-engraved watch can measure time and seconds accordingly.