Zenith, El Primero Stratos Flyback, Men's Watch, Stainless Steel Case, Rubber Strap, Swiss Mechanical Automatic (Self-Winding). So buy this Zenith Men's El Primero Stratos Flyback Watch Model: 03-2067-405-51-R514 Retail: $8,500 Special: $3,495 + Free Shipping! Use Code: AFFPRIME3495 at checkout. Offer Expires: 3/12 at 11:59 pm.