Ashford offers the Certina Men's DS Nautic Watch, model no. C542-7118-42-92, for $390. Coupon code "DNNAUTIC239" drops it to $239. With free shipping, that's $411 off list and the lowest total price we could find. It features a stainless steel case and band, Swiss quartz movement, sapphire crystal, and water resistance to 330 feet. Deal ends December 6.