Amazon offers Prime members the Armitron Sport Men's Digital Watch
, model no. 40/8209BLK, for $12.49
with free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $4.48.) That's the lowest total price we could find by $6. It features a resin case and strap, quartz movement, calendar, and water resistance to 330 feet.