This optical illusion challenges readers to find a hidden watch in an image of a boat within 8 seconds. It highlights the benefits of solving such puzzles for improving focus and problem-solving skills. This optical illusion challenges readers to find a hidden watch in an image of a boat within 8 seconds. It highlights the benefits of solving such puzzles for improving focus and problem-solving skills. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle