A Houston-based seismic technology and equipment company is facing a nearly $1 million jury verdict as the result of a lawsuit brought by one of its former manufacturing managers. Input/Output terminated Gaines Watkins in 2002 when he was 68 years old, claiming the company was making changes that he was “incapable or unwilling” to implement. Watkins sued, claiming he was fired because he didn’t fit the company’s new youthful image …