Show Notes
The release of the Tudor "Big Block" in 1976 (Ref. 9400 series).
- A massive sibling victory. Tudor released a self-winding (automatic) chronograph a full 12 years before Rolex released the automatic Zenith Daytona.
- They had to make the case thicker to fit the Valjoux 7750 rotor, earning it the nickname "Big Block."
- A massive sibling victory. Tudor released a self-winding (automatic) chronograph a full 12 years before Rolex released the automatic Zenith Daytona.
- They had to make the case thicker to fit the Valjoux 7750 rotor, earning it the nickname "Big Block."