|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3235||Genuine Swiss 3235 movement||Swiss 2836 Movement||Asian 2813 Movement|
|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 correct date magnification||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||90% Exact on entire watch||70% Exact on entire watch|
|Dial||Genuine Rolex||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|
|Engine||Rolex Calibre 2836/2813|
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters that is enough for no worries. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Watch Case: 316L. This case uses the best 316L, you can always live in peace with your skin without causing harm.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people, it can block moisture and dust, protect hands, dials and movement. Tips: The Automatic is applied with mineral glass instead of sapphire.
Dial Markers: Roman Numeral. The watch uses a Roman numeral as a dial marker unlike a normal dial, you can see the time by looking at the Roman numeral.
Hands: Gold-tone. About the watch, the hands is gold-tone, which can highly improve the outlook of the watch.
Clasp: Fold Over Clasp. This watch use a fold over clasp which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Case Back: Solid. The hard solid bottom cover is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss