Ashford offers the Hamilton Men's Khaki Aviation Automatic Watch, model no. H64425585, for $563.85. Coupon code "SDPILOT399" cuts it to $399. With free shipping, that's the lowest total price we could find by $146. It features a stainless steel case, sapphire crystal, see-through sapphire case back, Swiss mechanical automatic movement, and water resistance to 660 feet.