MidnightBox offers the Crayo Unisex Splash Wristwatch
in eight colors (Blue pictured) for $15.95
for shipping. That's the lowest total price we could find by $4, although most stores sell it for over $50. It features a metal case, silicone strap, quartz movement, and water resistance to 100 feet. Deal ends November 27.
Note that this item will ship in two to four weeks.