Ashford offers the Hamilton Men's Khaki Aviation Watch, model no. H76565135, for $516.75. Coupon code "SDHAM" drops it to $318. With free shipping, that's $80 under our October mention and the lowest total price we've seen. It features a stainless steel case and strap, scratch-resistant sapphire crystal, Swiss automatic movement, date window, and water resistance up to 165 feet.