Men's Big Block | Platinum | Tudor Watch Collection
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The Tudor Big Block chronograph was the very first automatic chronograph produced by the Rolex family, the parent brand of Tudor. Launched in 1976, it introduced a third chronograph register on the dial, as well as a bolder and thicker case, hence the name “Big Block”. These changes were brought about by the adoption of a new movement, the workhorse Valjoux 7750, which has become one of the most iconic chronograph movements. All these make the Tudor Big Block a must-have for any serious chronograph collector. Explore our collection of Tudor Big Block watches at SwissWatchExpo.com.