|Grade||Genuine Omega||AAAAA Clone||AAA Replica||A Replica|
|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 Omega||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|
|Dial Color||Grey Dial|
Watch Case: 316L. The outer shell uses the best 316L, its density is close to iron, and generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Transparent. The transparent back cover is usually used to protect the watch movement from direct damage. These watch cases can also increase the durability and strength of the watch movement.
Second Markers: Minute Markers around the outer rim. As shown in the picture above, the second mark on the watch is the minute mark around the outer edge.
Dial Markers: Index. The watch with index to indicate what time it is.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. With this watch, you will not lose your time in dark.
Clasp: Deployment. The clasp design of the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, full enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.