Marathon Limited 250 Edition SSNAV-D Auto Unisex Watch 41mm Case Diameter Bi-Directional Bezel Black Leather Strap. Limited to just 250 pieces this special-edition watch takes inspiration from the iconic American flag and the Star Spangled Banner anthem. The Pilots Navigator case for the limited-edition U.S. 250 SSNAV-D was not selected at random. Its meaning runs deeper than that. The SSNAV was originally developed in 1986 as a joint initiative with Kelly Air Force Base in San Antonioa defining chapter in the history of Marathon supplying the U.S. military with purpose-built watches. The limited-edition Anthracite SSNAV-D builds on that history with unique elements added to mark the U.S. 250th milestone. This limited-edition Navigator has been finished with a series of considered details to commemorate the U.S. and the 250th anniversary. From the 1776 encircled by stars dial appliqu and the display caseback engravings to the star-marked crown and bison leather strapeach element has been selected to reinforce the watchs connection to both the country and this monumental milestone. Specifications for Marathon Limited 250 Edition SSNAV-D Auto Unisex Watch: Manufacturer: Marathon Dial Color: Black Illumination Color: Red Band/Strap Color: Black Case Color: Anthracite Marker/Numeral Color: White Case Finish: Anthracite Case Material: 316L Stainless Steel Case Diameter: 41 mm Bezel Finish: Bi-Directional Band/Strap Material: Leather Wrist Band Type: Strap Illumination Type: Tritium Water Resistant Mark: 10 atm Weight: 1 lb Thickness: 11.5 mm Features of Marathon Limited 250 Edition SSNAV-D Auto Unisex Watch Anthracite Ion-Plated Case and Movement - Inspired by the twilights last gleaming Red Tritium Tube at the 12 In recognition of the rockets red glare 1776 Dial Applique - The year of origin encircled by stars a reference to the first symbol of a nation The First-Ever Marathon Display Caseback - A pivotal milestone in history calls for a Marathon first Caseback Engravings - Featuring the Stars and Stripes alongside In God We Trust Star-Engraved Crown - An iconic symbol subtly captured Bison Leather Strap - A nod to the national mammal Package Contents: Marathon Limited 250 Edition SSNAV-D Auto Unisex Watch Marathon WW194030AN-US250: Limited 250 Edition SSNAV-D Auto Unisex Watch Bi-Directional Bezel Black Leather Strap