Alps Watches via Amazon offers its Alps Kids' Waterproof Digital LED Sport Watch in several colors (Green pictured) for $19.99. Coupon code "DQJ3TQ6C" drops it to $11.99. With free shipping, that's the lowest price we could find by $17. It features Japanese quartz movement, a backlight, calendar alarm, and water resistance to 98 feet. Deal ends January 31, 2019.