An example of a self-winding watch that operates without a battery, is the Invicta 8926ob, which powers itself with the movement of the arm. Bringing together the traditional design of a Rolex Submariner and the constancy of a utility watch, is the Invicta 8926ob Pro Driver series. An essential line up for online shops and chief watch vendors and also registered as one of the top ten sold on Amazon.com and Shop NBC is the Invicta 8926ob Pro Driver series. A remarkable way to set up a collection, is the reasonably priced Invicta corduba, which is a must-have for every Invicta collector for the price of about $85 to $135. The Invicta signature yellow case with a detachable watch cushion is integrated upon buying a Brand new Invicta 8926ob watch. A stainless steel casing designed to be shock resistant and strong enough to withstand enormous pressure at 200 meters underwater makes up the Invicta 8926ob watch. With a Tritnite-coated luminous three hand function, the Invicta 8926ob watch also includes a conservative date display window, with a magnifying glass positioned at the three o’clock position. The front dial area and the back display portion of the Invicta 8926ob watch is covered by a scratch resistant glass, guarded with a mineral crystal.