The Tudor Ranger Blue Dial is one of the most intriguing and least documented watches in Tudor's catalogue. While never officially marketed as a separate Ranger model, this rare blue-dial variation is now regarded by collectors as one of the hidden gems of Tudor's neo-vintage era. Produced in limited numbers during the mid-to-late 1990s, it combined the classic Ranger aesthetic with a striking blue dial that set it apart from the traditional black-dial field watches. The Origins of the Ranger The Ranger name dates back to 1929, when Hans Wilsdorf registered the "Ranger" trademark, three years after creating the Tudor brand. However, the Ranger did not become a dedicated watch collection until the 1960s. Its design was heavily influenced by Tudor's association with the British North Greenland Expedition of 1952–1954, whose members wore Tudor Oyster Prince watches in extreme Arctic conditions. Although those expedition watches did not carry the Ranger name, they inspired Tudor's rugged field-watch philosophy. The first recognisable Ranger models introduced the now-famous design language: Large Arabic numerals at 3, 6, 9 and 12 Highly legible matte dial Distinctive arrow-shaped hour hand Robust Oyster case built for adventure These elements became defining characteristics of the Ranger collection throughout the 1960s and 1970s.