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Customer Review

on May 3, 2009
I have owned the Invicta 9937OB for over four years now and I am generally pleased with the good quality of this Rolex Submariner tribute watch. The following comments are based on my research, experience and opinions about this watch.

The OB in the model number stands for "old bezel." This is the coin-edge bezel that Invicta produced prior to their adoption of the scalloped bezel used in many of their present diver's watch models. Personally I prefer the coin-edge bezel, as it is easier to grip and turn than the scalloped bezel Invictas.

This watch has a Sellita SW200, Swiss made, automatic movement--a copy of the proven and reliable ETA 2824-2 Swiss automatic movement. The Sellita SW200 is a 26-jewel movement where as the ETA 2824-2 movement has 25 jewels. I've read that Sellita put in the extra jewel to be different (marketing reasons) and claims the extra jewel increases the power reserve of the movement. The Sellita appears to be a good copy of the ETA according to my research.

Concerning accuracy, my watch was running about 35 seconds a day fast out of the box when I received it, which was too inaccurate for me. I had a watch maker service and regulate the watch and it now runs at +/- 3 seconds a day--very good accuracy for a mechanical watch!

I had been keeping this watch on a winder every night, because the power reserve seemed to be only about seven hours off the winder (the Sellita power reserve specification is 38 hours). What was going on here? After having the movement serviced by a watch maker I was told that this was not the fault of the watch movement--I needed to hand wind the crown 25 times to achieve the full power reserve. Well, I tried this and sure enough the power reserve is quite good if hand wound. Lesson learned, don't rely on a watch winder to fully wind a mechanical watch.

A highly desirable feature is the scratch resistant sapphire crystals covering both the watch face and exhibition back. No scratches on either crystal after 9 months for my watch. Also, it is interesting to view the automatic movement with Invicta branded rotor through the case back view window when examining this watch. A testament to the quality and style of this watch was when a family member thought it was a real Rolex Submariner (his parents own Rolex watches).

With its beefy stainless-steel watchband and case the Invicta 9937 weighs in on the heavy side--although this is something you quickly get used to and it feels comfortable on the wrist. But the round luminous markers and watch hands could definitely have better lume for a diver's watch. For typical casual wear, this criticism tend to be minor and not a deal breaker. I like the good quality, style and value you get for your money.
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