Needs Crown
Year: 1978
Reference: 46170 10778
Model: Viscount (Automatic)
Movement: M107
Complication: Manual/Automatic Wind, Sweeping Seconds Hand,
Special Features: 4 color printed dial: Black, White, Red, Yellow
Produced over multiple years, 1978 marks a change from the older M31 movement to the new M107 movement. The new M107 increases the power reserve from an estimated 24 to 48 hours, and as with all late 70’s/80s M100 series movements developed a notorious issue with the click spring.
