Hey Alex, I have owned two Invicta autos for more than six years and found them to be more reliable and require less maintenance then other more expensive watches. I also find with watches, if they are going to have issues they usually surface within the first year and factor in that any repair you may need that is not within that time would likely be less than the cost of the warranty I would choose to forgo it... extended warranties are often unnecessary especially when dealing with a reputable manufacturer..
Invicta makes a great watch.. My stainless diver is one of my favs... Wear them in good health..
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"I hope someone runs you over with their car."-guapo