Check the listing for details. Watson 4 X 5 Top Mounted Viewfinder, Used - Great Condition. Condition: Used. Listed at 14.99 USD. The Watson 4 X 5 Top Mounted Viewfinder is a premium golf accessory designed for precision and clarity in golfing. With its top-mounted design, this viewfinder provides a clear and accurate view of the green, helping golfers improve their game and make more accurate shots. Made by the reputable brand Watson, this viewfinder is a reliable tool for avid golfers looking to enhance their performance on the course.