|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||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||White Dial|
Band Material: 316L. The band uses 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 case is 316L, which will never fade, deform, and is environmentally friendly.
Case Back: Solid. The hard solid bottom cover allows you to use and keep the watch longer.
Crystal: Sapphire Crystal. For watches, crystal is a very important part. Sapphire has higher impact resistance, air tightness and hardness than other materials, and its processing cost is also high, so most of it is used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone which is pretty cool and fashionable.
Dial Markers: Diamonds. Diamond dial markers are used as markers to indicate the time.
Luminiscence: Hands. Regarding this watch, luminescence is hands. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. The stainless steel bezel is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Fold Over Clasp. The combination of a watch case and a bracelet watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.