Sears offers the Armitron Sport Men's Digital Watch in Black, model no. 408209BLK, for $17.49 with free shipping. (Amazon charges the same with free shipping for Prime members.) That's the lowest total price we could find by $5. Features includes a stopwatch, calendar, resin case, and water resistance up to 300 feet.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.