Objects in image: Clock, Watch
Text visible in image: 60, UNITS, HOUR, PER, 400, 300, 240, 200, 2, 180, nbrelojes, nilda_barales@yahoo.com.ar
Question: what does the ring around the face of the watch measure?
Answers: units per hour, units per hour , units per hour, units per hour, units per hour, units per hour, units per hour, units per hour, units per hour, units per hour