The 240Z clock was always a straight forward mechanical unit which did not
last long in the auto environment. Dust and contamination hastened
the life expectancy of this nice clock. Today the quarts mechanisms
has revived this clock so 240 Z owners can now have an accurate reliable
clock in their great classic.
260Z '74
The 260Z clock had the same internal mechanism and face plate as
the 240Z , but all else was changed to the later 280 style. The later
280z clock will fit in the 260Z and is a direct exchange.