




1975 Tudor Big Block ref. 9420/0 Monte Carlo "Exotic"
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The "Big Block" was Tudor’s first automatic chronograph, so named for its deep, imposing case required to house the Valjoux 7750. This reference 9420/0 features the legendary "Exotic" dial, an explosion of orange, grey, and black that earned it the "Monte Carlo" nickname. With its bakelite tachymeter bezel and Rolex-signed crown and caseback, it is a high-octane vintage chronograph that bridges the gap between Tudor’s tool-watch roots and the vibrant aesthetics of 70s racing.
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SPECIFICATIONS
Reference 9420/0
Year
Diameter mm
Movement
Dial color
Case material
Bracelet material
Accessories
CONDITION
Case
Dial
Movement
Hands
Crown
Warranty

