HAMILTON Vintage New Stock 18mm Navy Blue Leather Replacement Watch Strap / Band HMBLU18EFA New Vintage Strap originally for the Hamilton Engineered For Action (EFA) Series of Watches Padded Dark Navy Blue Genuine Leather Stainless Steel Buckle features the Stylized "H" Hamilton Logo Black Leather Backing reads "HAMILTON" and "GENUINE LEATHER" Replacement for any men's standard length 18mm watch strap